2024 Program & Abstracts

Embargo Policy

Studies scheduled for presentation at the American Surgical Association's 144th Annual Meeting, April 4-6, 2024, Washington, DC

The embargo on studies and their associated abstracts (including those posted online prior to the conference) scheduled for presentation at the American Surgical Association's 144th Annual Meeting, April 4-6, 2024, Washington, DC, is the date and time of each individual scientific presentation (not the beginning of the overall session in which it has been scheduled). News media activities are restricted until the embargo lifts. Any news media activity about a study and its associated abstract must include the following: "The complete manuscript of this study and its presentation at the American Surgical Association's 144th Annual Meeting, April 2024, in Washington, DC, is anticipated to be published in the Annals of Surgery pending editorial review."

THURSDAY, APRIL 4

8:15 AM - 9:10 AM

Independence Ballroom

OPENING SESSION
President's Opening Remarks
Secretary's Welcome & Introduction of New Fellows Elected in 2023
President's Introduction of Honorary Fellows
President's Introduction of ESA Fellows
Presentation of the Medallion for Scientific Achievement
Presentation of the Medallion for the Advancement of Surgical Care
Presentation of the Flance-Karl Award
Past President Eulogy
Report of the Committee on Arrangements

9:10 AM - 10:50 AM

Independence Ballroom

SCIENTIFIC SESSION I
Moderator: Steven C. Stain, MD

9:10 AM - 9:35 AM

1. Functional Outcomes after Transanal Total Mesorectal Excision (taTME) for Rectal Cancer: Results from the North American Multicenter taTME Trial
*Katherine F. Donovan¹, *Katherine C. Lee¹, *Alison Ricardo¹, *Antoinette Bonaccorso¹, *Natalie F. Berger¹, *Dana Sands², *John Marks³, *Justin Maykel⁴, *Karim Alavi⁴, *Karen Zaghiyan⁵, *Mark Whiteford⁶, *Elisabeth Mclemore⁷, *Sami Chadi⁸, *Sherief F. Shawki⁹, *Scott Steele¹⁰, *Alessio Pigazzi¹¹, *Matthew Albert¹², *Theresa DeBeche-Adams¹², *Fu-Yuan Cheng¹³, Steven Wexner¹⁴, Patricia Sylla¹
¹Division of Colon and Rectal Surgery, Mount Sinai Hospital, New York, NY; ²Department of Colon and Rectal Surgery, Cleveland Clinic Florida, Weston, FL; ³Department of Colorectal Surgery, Lankenau Medical Center, Wynnewood, PA; ⁴Division of Colon and Rectal Surgery, UMass Memorial Medical Center, Worcester, MA; ⁵Division of Colorectal Surgery, Cedars-Sinai Medical Center, Los Angeles, CA; ⁶Gastrointestinal and Minimally Invasive Surgical Division, The Oregon Clinic, Providence Cancer Center, Portland, OR; ⁷Division of Colorectal Surgery, Department of Surgery, Kaiser Permanente Los Angeles Medical Center, Los Angeles, CA; ⁸Division of Surgical Oncology, Department of Surgery, Princess Margaret Cancer Centre and University Health Network, Toronto, ON, Canada; ⁹Department of Colorectal Surgery, Mayo Clinic, Rochester, MN; ¹⁰Department of Surgery, Cleveland Clinic, Cleveland, OH; ¹¹Division of Colorectal Surgery, New York-Presbyterian Weill Cornell Medical Center, New York, NY; ¹²Department of Colon and Rectal Surgery, Advent Health Orlando, Orlando, FL; ¹³Institute for Healthcare Delivery Science, Icahn School of Medicine at Mount Sinai, New York, NY; ¹⁴Department of Colorectal Surgery, Ellen Leifer Shulman and Steven Shulman Digestive Disease Center, Cleveland Clinic Florida, Weston, FL

9:35 AM - 10:00 AM

2. Genetically-Edited Porcine Kidneys Have Sufficient Tissue Integrity for Use in Xenotransplantation
*Douglas J. Anderson¹, *Maggie Jones-Carr¹, *Jackson Perry¹, *Vineeta Kumar², *Paige Porrett¹, *Jayme E. Locke¹
¹Surgery, University of Alabama at Birmingham, Birmingham, AL; ²Medicine, University of Alabama at Birmingham, Birmingham, AL

10:00 AM - 10:25 AM

3. Adding Patient-Reported Outcomes to the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP): Results of the First 33,842 Patients from 65 Hospitals
*Jason B. Liu¹, Andrea L. Pusic¹ , *Alexa D. Melucci² , *Matt Fordham³ , *Jakob Lapsley³ , Clifford Y. Ko³ , Larissa K. Temple³
¹ Surgery, Brigham and Women�s Hospital, Boston, MA; ² Surgery, University of Rochester Medical Center, Rochester, NY;³ American College of Surgeons, Chicago, IL.

10:25 AM - 10:50 AM

4. Early Detection of Ventilator-Associated Pneumonia from Exhaled Breath in ICU Patients
Carl I. Schulman¹, *Umer Bakali², *Chitvan Killawala², *Michael Cobler-Lichter¹, *Evelise Monteagudo², *Luciana Tito Bustillos¹, *Jessica Delamater¹, *Larisa Shagabayeva¹, *Brianna L. Collie¹, *Nicole Lyons¹, *Emre Dikici², *Sapna Deo², *Sylvia Daunert²
¹Surgery, University of Miami Miller School of Medicine, Miami, FL; ²Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL

10:50 AM - 12:00 PM

Independence Ballroom

PRESIDENTIAL ADDRESS
The American Surgical Association in the 21st Century

10:50 AM - 11:00 AM

Introduction of the President
Michael J. Zinner, MD

11:00 AM - 12:00 PM

Address by the President
Steven C. Stain, MD

1:30 PM - 5:15 PM

Independence Ballroom

SCIENTIFIC SESSION II
Moderator: Ronald J. Weigel, MD, PhD

1:30 PM - 1:55 PM

5. The Impact of Cultural Dexterity Training on Surgical Residents' Knowledge, Cross-Cultural Care, Skills, and Beliefs: The PACTS Trial
Douglas Smink¹, *Gezzer Ortega², *Brittany Dacier², *Emil Petrusa³, *Yu-Jen Chen², *Namra Shaikh⁴, *Benjamin Allar², *Maria Chun⁵, *Alexander Green³, *Katharine Caldwell⁶, *Rachel Atkinson², *Emma Reidy², *Olubode Olufajo⁷, L.D. Britt⁸, *Molly Brittain⁸, *Jorge Z�rate Rodriguez⁶, *Sandra Swoboda⁹, Edward Cornwell⁷, *Kenneth Lynch¹⁰, *Paul Wise⁶, David Harrington¹⁰, *Tara Kent¹¹, John Mullen³, *Pamela Lipsett⁹, Adil Haider⁴
¹Department of Surgery, Brigham and Women's Hospital, Boston, MA; ²Center for Surgery and Public Health, Brigham and Women's Hospital, Boston, MA; ³Department of Surgery, Massachusetts General Hospital, Boston, MA; ⁴Aga Khan University, Karachi, Pakistan; ⁵Department of Surgery, University of Hawaii, Honolulu, HI; ⁶Department of Surgery, Barnes-Jewish Hospital, St. Louis, MO; ⁷Department of Surgery, Howard University Hospital, Washington, ; ⁸Department of Surgery, Sentara Norfolk General Hospital, Norfolk, VA; ⁹Department of Surgery, Johns Hopkins Hospital, Baltimore, MD; ¹⁰Department of Surgery, Rhode Island Hospital, Providence, RI; ¹¹Department of Surgery, Beth Israel Deaconess Medical Center, Boston, MA

1:55 PM - 2:20 PM

6. Renoprotective Effects of Metabolic Surgery Versus GLP1 Receptor Agonists on Progression of Kidney Impairment in Patients with Established Kidney Disease
Ali Aminian¹, *Hamlet Gasoyan¹, *Alexander Zajichek¹, *Nicholas J. Casacchia¹, *Mohammad H. Alavi¹, *Rickesha Wilson¹, *Xiaoxi Feng¹, *Ricard Corcelles¹, Stacy A. Brethauer², Philip R. Schauer³, Matthew Kroh¹, Raul J. Rosenthal⁴, *Hiddo L. Heerspink⁵, *Michael B. Rothberg¹
¹Cleveland Clinic, Cleveland, OH; ²Ohio State University Wexner Medical Center, Columbus, OH; ³Pennington Biomedical Research Center, Baton Rouge, LA; ⁴Cleveland Clinic Florida, Weston, FL; ⁵University Medical Center Groningen, Groningen, Netherlands

2:20 PM - 2:45 PM

7. Acute Thoracic Aortic Pseudocoarctation after Blunt Thoracic Aortic Injury Mandates Emergent Thoracic Endovascular Aortic Repair to Reverse Hypoperfusion and Prevent Reperfusion Sequela
*Maunil Bhatt³, *Saskya Byerly¹, *Dina M. Filiberto¹, *Muhammad O. Afzal², Timothy C. Fabian¹, Martin A. Croce¹, Erica L. Mitchell³
¹Trauma/Critical Care Surgery, University of Tennessee Health Science Center, Memphis, TN; ²Radiology, University of Tennessee Health & Science Center, Memphis, TN; ³Vascular & Endovascular Surgery, University of Tennessee Health & Science University, Memphis, TN

2:45 PM - 3:10 PM

8. Surgical Necrotizing Enterocolitis and Spontaneous Intestinal Perforation Lead to Severe Growth Failure in Infants
*Allison L. Speer¹, Kevin P. Lally¹, *Claudia Pedroza², *Yuxin Zhang², *Barry Eggleston⁴, *Brenda Poindexter³, Walter Chwals³, *Susan R. Hintz³, Gail Besner³, *David K. Stevenson³, *Robin Ohls³, *William Truog³, *Barbara J. Stoll³, *Matthew A. Rysavy², *Abhik Das⁴, *Michele Walsh³, *Jon E. Tyson², Martin L. Blakely¹
¹Department of Pediatric Surgery, McGovern Medical School at the University of Texas Health Science Center at Houston, Houston, TX; ²Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston, Houston, TX; ³Neonatal Research Network (NRN) NEST Subcommittee, National Institute of Child Health and Human Development (NICHD), Research Triangle Park, NC; ⁴RTI International, Research Triangle Park, NC

3:10 PM - 3:35 PM

9. Re-Evaluating the Center for Medicare and Medicaid Services (CMS) High Risk Criteria for Carotid Artery Revascularization
*Sabrina Straus, *Daniel Willie-Permor, *Ann Gaffey, Mahmoud B. Malas
Vascular Surgery, UCSD, La Jolla, CA

3:35 PM - 4:00 PM

10. Metformin Preconditioning Attenuates Apoptosis and Augments Cardiac Function in a Large Animal Model of Chronic Myocardial Ischemia
*Christopher R. Stone, *Dwight D. Harris, *Sharif Sabe, *Mark Broadwin, *Meghamsh Kanuparthy, *M. Ruhul Abid, Frank Sellke
Cardiothoracic Surgery, Brown University, Providence, RI

4:00 PM - 4:25 PM

11. Benefits of Aerosolized, Point-Of-Care, Autologous Skin Cell Suspension (ASCS) for the Closure of Full Thickness Wounds from Thermal and Non-thermal Causes: Learning Curves from the First 50 Consecutive Cases at an Urban, Level 1 Trauma Center
Charles S. Hultman, *Corianne Rogers, *Samantha Brown, *Michelle McMoon, *Carrie McGroarty
Plastic and Reconstructive Surgery, WakeMed Health and Hospitals, Chapel Hill, N

4:25 PM - 4:50 PM

12. Infiltration of Common Myeloid Progenitor Cells in the Tumor Microenvironment Is Inversely Associated with Cell Proliferation, Better Patient Survival and Response to Immunotherapy in ER-Positive/HER2-Negative Breast Cancer
*Masanori Oshi², *Kohei Chida¹, *Arya M. Roy³, *Li Yan⁴, *Itaru Endo², Kazuaki Takabe¹
¹Surgical Oncology, Roswell Park Comprehensive Cancer Center, Buffalo, NY; ²Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan; ³Department of Hematology and Oncology, Roswell Park Comprehensive Cancer Center, Buffalo, NY; ⁴Department of Biostatistics & Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY

4:50 PM - 5:15 PM

13. The Impact of Sex on Platelet Reponses to Aspirin in Patients with Peripheral Artery Disease
*Sasha Suarez Ferreira¹, *Ryan Hall¹, *Katherine Morrow¹, *Shiv Patel¹, *Ivy Lee¹, *Fanah Hagos¹, *Nikolaos Zacharias¹, *Kellie Machlus², Matthew Eagleton¹, *Anahita Dua¹
¹Massachusetts General Hospital, Boston, MA; ²Boston Children's Hospital, Boston, MA

FRIDAY, APRIL 5

6:45 AM - 8:00 AM

Independence Ballroom

DIVERSITY FORUM
DEI Past, Present, and Future
Continental Breakfast provided

Co-Moderators:

Andre R. Campbell, MD
Michaela A. West, MD, PhD

Introduction & History of DEI within ASA
Andre R. Campbell, MD
University of California, San Francisco, CA

Current Threats to DEI: Are Initiatives and Programs at Risk?
Michaela A. West, MD, PhD
North Memorial Health, Minneapolis, MN

Data from an Anonymous App Issued to Residents and Trainees: Reporting of Micro and Macroaggressions
Callisia N. Clarke, MD
Medical College Wisconsin, Milwaukee, WI

Inclusive Search & Screen Process: Decreasing Bias and Increasing Diversity
Rebecca M. Minter, MD
University of Wisconsin, Madison, WI

Patching the Leaky Pipeline: Increasing Diversity in Surgery
Lisa A. Newman, MD
Cornell Medical Center, New York, NY

8:00 AM - 10:30 AM

Independence Ballroom

SCIENTIFIC SESSION III
Moderator: Steven C. Stain, MD

8:00 AM - 8:25 AM

14. Trends in Operative Case Logs of Chief Residents in Surgery by Gender and Race: A 5-Year National Study
*Polina Zmijewski¹, *Yoon Soo Park², *Eric Holmboe², Mary Klingensmith², *Alexander Cortez³, *Brenessa Lindeman¹, *Brigitte Smith⁴, Herbert Chen¹, *Jessica Fazendin¹
¹University of Alabama at Birmingham, Birmingham, AL; ²Accreditation Council for Graduate Medical Education, Chicago, IL; ³University of California, San Francisco, San Francisco, CA; ⁴University of Utah Health, Salt Lake City, UT

8:25 AM - 8:50 AM

15. Surgeon Self-Reported Gender Does Not Prognosticate Outcomes in Current U.S. Practice
Salvatore T. Scali¹, *Jesse A. Columbo², Mary Hawn³, Erica L. Mitchell⁴, Sandra L. Wong⁵, Thomas S. Huber¹, Gilbert R. Upchurch, Jr.¹, David H. Stone²
¹Division of Vascular Surgery and Endovascular Therapy, University of Florida, Gainesville, FL; ²Section of Vascular Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH; ³Department of Surgery, Stanford University, Palo Alto, CA; ⁴Division of Vascular Surgery and Endovascular Therapy, University of Tennessee-Memphis, Memphis, TN; ⁵Department of Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH

8:50 AM - 9:15 AM

16. Persistence and Sexual Dimorphism of the Pathobiome after Sepsis and Trauma
*Jennifer A. Munley¹, *Gwoncheol Park², *Lauren Kelly¹, *Kolenkode B. Kannan¹, *Robert T. Mankowski³, *Gemma Casadesus⁵, *Paramita Chakrabarty⁴, *Shannon M. Wallet⁶, *Robert Maile¹, *Letitia E. Bible¹, *Bo Wang⁷, *Lyle L. Moldawer¹, Alicia M. Mohr¹, *Ravinder Nagpal², Philip Efron¹
¹Surgery, University of Florida, Gainesville, FL; ²Health, Nutrition, and Food Sciences, Florida State University, Tallahassee, FL; ³Physiology and Aging, University of Florida, Gainesville, FL; ⁴Neuroscience, University of Florida, Gainesville, FL; ⁵Pharmacology and Therapeutics, University of Florida, Gainesville, FL; ⁶Oral Biology, University of Florida, Gainesville, FL; ⁷Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, FL

9:15 AM - 9:40 AM

17. Circulating Tumor DNA and Tumor Mutational Burden in Hepatocellular Carcinoma: Analysis of an Emerging Biomarker for Disease Monitoring
*Chase J. Wehrle¹, *Hanna Hong¹, *Sami Fares¹, *Bassam Estfan², *Suneel Kamath², *Smitha Krishnamurthi², *Wen Wee Ma², *Andrea Schlegel¹, *Jaekeun Kim¹, *Koji Hashimoto¹, R. Matthew Walsh¹, *David C. Kwon¹, *Federico Aucejo¹
¹Digestive Diseases and Surgery Institute, Cleveland Clinic, Cleveland, OH; ²Taussig Cancer Institute, Department of Gastrointestinal Oncology, Cleveland Clinic, Cleveland, OH

9:40 AM - 10:05 AM

18. Optimal Dosage for Vascular Regeneration Gene Therapy Utilizing GLP-Grade E-Selectin/AAV2
*Francesca A. Voza, *Nga T. Le, *Yulexi Ortiz, *Antoine Ribieras, *Carlos T. Huerta, *Yan Li, *Lucy Osafo, *Zhao-Jun Liu, Omaida C. Velazquez
Surgery, University of Miami/ Jackson Health System, Miami, FL

10:05 AM - 10:30 AM

19. Variations in Post-Operative Outcomes between Surgeons Who Are US vs International Medical Graduates among Patients Undergoing Surgery for Cancer
*Muhammad Muntazir M. Khan, *Muhammad Musaab Munir, *Selamawit Woldesenbet, *Mujtaba Khalil, *Yutaka Endo, *Erryk Katayama, *Mary Dillhoff, Susan Tsai, *Jordan Cloyd, Timothy M. Pawlik
Surgery, The Ohio State University Wexner Medical Center, Columbus, OH

10:00 AM - 12:00 PM

OPTIONAL TOUR (Recommended for Spouses/Partners/Non-Physician Guests)
National Museum of Women in the Arts
Price: $30 per person; add this event during the Annual Meeting registration process
Participants will take a short, five-minute walk to the National Museum of Women in the Arts (NMWA), the first museum in the world solely dedicated to championing women through the arts, where they will enjoy a one-hour guided tour. Full details here.

10:30 AM - 12:00 PM

Independence Ballroom

FORUM DISCUSSION
Report of the Blue Ribbon Committee II

Co-Moderators:	Steven C. Stain, MD E. Christopher Ellison, MD
Panelists:	E. Christopher Ellison, MD The Ohio State University, Columbus, OH Julie Ann Freischlag, MD Atrium Health Wake Forest Baptist, Winston-Salem, NC Jeffrey B. Matthews, MD University of Chicago, Chicago, IL Steven C. Stain, MD Lahey Hospital and Medical Center, Burlington, MA

1:30 PM - 4:00 PM

Independence Ballroom

SCIENTIFIC SESSION IV
Moderator: Michael J. Zinner, MD

1:30 PM - 1:55 PM

20. Surgical Intelligence Can Lead to Higher Adoption of Best Practices in Minimally Invasive Surgery
*Monica Ortenzi², *Danit Dayan³, *Eran Nizri³, Gerald M. Fried¹, *Yuval Mirkin⁴, *Sari Maril⁴, *Dotan Asselmann⁴, *Tamir Wolf⁴
¹Surgery, McGill University, Montreal, QC, Canada; ²General and Emergency Surgery,, Polytechnic University of Marche, Ancona, Italy; ³General Surgery, Tel Aviv Sourasky Medical Center; Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; ⁴Theator Inc, Palo Alto, CA

1:55 PM - 2:20 PM

21. Circulating microRNA as a Potential Biomarker for Skeletal Disease in Primary Hyperparathyroidism: A Prospective Case-Control Study
*Heather Wachtel¹, *Jae Ermer¹, Douglas Fraker¹, Rachel Kelz¹, *Thomas Kelly², *Matthias Hackl³, *Michael Levine⁴
¹Surgery, University of Pennsylvania, Philadelphia, PA; ²Hologic, Inc, Marlborough, MA; ³TAmiRNA, Vienna, Austria; ⁴Children's Hospital of Philadelphia, Philadelphia, PA

2:20 PM - 2:45 PM

22. Extended Pharmacologic Prophylaxis for Venous Thromboembolism after Colorectal Cancer Surgery Is Associated with Improved Long-Term Survival: A Natural Experiment in the Chemotherapeutic Benefit of Heparin Derivatives
*Alexander T. Booth, *Daniel Brinton, *Colleen Donahue, *Maggie Westfal, *Virgilio George, *Pinckney J. Maxwell, *Kit N. Simpson, David Mahvi, *Thomas Curran
Medical University of South Carolina, Charleston, SC

2:45 PM - 3:10 PM

23. The 50-Year Evolution of Pancreas Transplantation at a Single High-Volume Institution
*Abraham Matar¹, *Erik Finger¹, Ty Dunn², Abhinav Humar³, Angelika Gruessner⁴, *Rainer Gruessner⁴, *Karthik Ramanathan¹, *Vanessa Humpreville¹, Arthur Matas¹, David Sutherland¹, Raja Kandaswamy¹
¹Transplantation Surgery, University of Minnesota, Minneapolis, MN.; ²Transplantation Surgery, Medical College of Wisconsin, Milwaukee, WI.; ³Transplantation Surgery, University of Pittsburgh, Pittsburgh, PA.; ⁴Surgery, SUNY Downstate Medical Center, Brooklyn, NY.

3:10 PM - 3:35 PM

24. The Impact of a Shared Decision-Making Tool for Appendicitis Treatment on Decisional Conflict
*Giana Davidson², *Sarah Monsell³, *Joshua Rosen², *Erin Fannon², *Sara DePaoli², *Jonathan Kohler¹, Dave Flum²
¹Surgery, University of California, Davis, Davis, CA; ²Surgery, University of Washington, Seattle, WA; ³Biostatistics, University of Washington, Seattle, WA

3:35 PM - 4:00 PM

25. Improving Surgical Care and Outcomes in Older Cancer Patients Through Implementation of a Pre-Surgical Toolkit (OPTI-Surg): Final Results of a Phase III Cluster Randomized Trial (Alliance A231601CD)
George J. Chang¹, *Heather Gunn², *Anne Barber³, *Lisa M. Lowenstein⁴, *Daniel Dohan⁵, *Jeanette M. Broering⁵, *Travis Dockter², *Angelina Tan², *Selina Chow⁶, *Heather Neuman⁷, *Emily Finlayson⁵
¹Colon and Rectal Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX; ²Alliance Statistics and Data Management Center, Mayo Clinic, Rochester, MN; ³Cancer Research Program, American College of Surgeons, Chicago, IL; ⁴Health Services Research, The University of Texas MD Anderson Cancer Center, Houston, TX; ⁵Surgery, The University of California San Francisco, San Francisco, CA; ⁶Protocol Operations, Alliance for Clinical Trials in Oncology Network, Chicago, IL; ⁷Surgery, University of Wisconsin, Madison, WI

4:00 PM - 5:00 PM

Independence Ballroom

EXECUTIVE SESSION
ASA Fellows Only

7:00 PM

Independence Foyer

ANNUAL RECEPTION
Black tie/evening dress preferred, business formal acceptable

8:00 PM

Independence Ballroom

ANNUAL BANQUET
Black tie/evening dress preferred, business formal acceptable

SATURDAY, APRIL 6

8:00 AM - 11:00 AM

Independence Ballroom

SCIENTIFIC SESSION V
Moderator: New President-Elect

8:00 AM - 8:25 AM

26. Physician Modified Endografts for the Treatment of Elective, Symptomatic and Ruptured Juxtarenal Abdominal Aortic Aneurysms
Benjamin W. Starnes, *Sara Zettervall, *Allison Larimore, Niten Singh
Surgery, University of Washington, Mercer Island, WA

8:25 AM - 8:50 AM

27. "For the Love of the Game": Calculating the Premium Associated with Academic Surgical Practice
*Emily A. Grimsley¹, *David O. Anderson², *Tyler l. Zander¹, *Melissa Kendall¹, *Rajavi Parikh¹, Ronald Weigel³, Paul C. Kuo¹
¹Surgery, USF, Tampa, FL; ²Sullivan Cotter, Tampa, FL; ³University of Iowa, Iowa City, IA

8:50 AM - 9:15 AM

28. The Prognostic Impact of Minimally Invasive Esophagectomy on Survival after Esophagectomy Following a Delayed Interval after Chemoradiotherapy: A Secondary Analysis of the DICE Study
*Sheraz R. Markar¹, *Richard Owen¹, *Mark van Berge Henegouwen², *Suzanne Gisbertz², *Ewen Griffiths³, *Carlo Castoro⁴, *Caroline Gronnier⁵, *Christian Gutschow⁶, *Guillaume Piessen⁷, *Peter Grimminger⁸, Donald Low⁹, *James Gossage¹⁰, *Richard van Hillegersberg¹¹, *Xavier D'Journo¹², *Alex Phillips¹³, *Riccardo Rosati¹⁴, *George Hanna¹⁵, *Wayne Hofstetter¹⁶, Lorenzo Ferri¹⁷
¹Nuffield Department of Surgery, University of Oxford, Oxford, United Kingdom; ²Amsterdam UMC, Amsterdam, Netherlands; ³Birmingham University Hospitals NHS Foundation Trust, Birmingham, United Kingdom; ⁴Humanitas Research Hospital, Milan, Italy; ⁵CHU de Bordeaux, Bordeaux, France; ⁶University Hospital Zurich, Zurich, Switzerland; ⁷University Hospital Claude Huriez, Lille, France; ⁸Johannes Gutenberg University Mainz, Mainz, Germany; ⁹Virginia Mason Hospital & Seattle Medical Center, Seattle, WA; ¹⁰Guy's and St Thomas' Hospitals NHS Foundation Trust, London, United Kingdom; ¹¹UMC Utrecht, Utrecht, Netherlands; ¹²Chemin des Bourrely, North Hospital, Marseille, Marseille, France; ¹³Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle, United Kingdom; ¹⁴San Raffaele Hospital, Milan, Italy; ¹⁵Imperial College London, London, United Kingdom; ¹⁶MD Anderson Cancer Center, Houston, TX; ¹⁷McGill University, Montreal, QC, Canada

9:15 AM - 9:40 AM

29. Tumor-Intrinsic and Cancer-Associated Fibroblast Subtypes Independently Predict Outcomes in Pancreatic Cancer
*Jaewon Lee, *Joseph Kearney, *Priscilla Chan, *Elena Kharitonova, *Arthi Hariharan, *Michelle LaBella, *Ashley Morrison, *Ashley Cliff, *Michael Meyers, Hong Jin Kim, *Naim Rashid, *Xianlu Peng, Jen Jen Yeh
UNC Chapel Hill, Chapel Hill, NC

9:40 AM - 10:05 AM

30. Less is More: Dissecting Trauma Centers by Procedural Volume
*Louis J. Magnotti, *Sai Krishna Bhogadi, *Tanya Anand, *Collin Stewart, *Christina Colosimo, *Audrey Spencer, Bellal Joseph
The University of Arizona, Tucson, AZ

10:05 AM - 10:30 AM

31. Optimal Timing for Initiation of Thromboprophylaxis after Hepatic Angioembolization
*Brianna L. Collie, *Nicole Lyons, *Logan Goddard, *Michael D. Cobler-Lichter, *Jessica Delamater, *Larisa Shagabayeva, *Edward B. Lineen, Carl I. Schulman, *Kenneth G. Proctor, *Jonathan P. Meizoso, Nicholas Namias, *Enrique Ginzburg
University of Miami Miller School of Medicine, Miami, FL

10:30 AM - 10:55 AM

32. Long-Term Surveillance of One Thousand Side-Branch Intraductal Pancreatic Mucinous Neoplasms: Defining a Surveillance Strategy Based on Clinically-Relevant Progression
*Mir Shanaz Hossain¹, *Chase J. Wehrle¹, *Breanna Perlmutter¹, *Jenny H. Chang¹, *Hanna Hong¹, *Robert Naples¹, *Kathryn A. Stackhouse², *John McMichael¹, *Samer Naffouje³, *Daniel Joyce¹, *Robert Simon¹, *Toms Augustin³, R. Matthew Walsh¹
¹Digestive Diseases and Surgery Institute, Cleveland Clinic, Cleveland, OH; ²General Surgery, Cleveland Clinic Akron General, Akron, OH; ³General Surgery, Cleveland Clinic Fairview Hospital, Cleveland, OH

11:00 AM

ADJOURNMENT

* By Invitation

The American Surgical Association wishes to recognize and thank the following company for their ongoing educational grant support:

Wolters Kluwer is the Publisher of the Annals of Surgery, the official publication for the papers presented at the Scientific Sessions of the Annual Meeting of the American Surgical Association.