1. AN ANALYSIS OF SEXUAL DIMORPHISM IN THE TUMOR MICROENVIRONMENT OF COLORECTAL CANCER
AE Geddes, AL Ray, RA Nofchissey, A Esmaeili, A Saunders, M Khan, S?Aravindan, JT Ahrendsen, M Li, MG Urdaneta, KM Fung, M Jayaraman, J Yang, KK Booth, GD Dunn, SN Carter, KT Morris
University of Oklahoma Health Sciences Center
Presenter: Andrea Geddes MD, MS

2. THE ROBOTIC APPROACH TO DIAPHRAGMATIC HERNIA REPAIR IS ASSOCIATED WITH INCREASED COST AND PROLONGED LENGTH OF STAY
S Kulshrestha, H Janjua, C Bunn, M Rogers, C DuCoin, F Luchette, P Kuo, M Baker
Loyola University Medical Center
Presenter: Sujay Kulshrestha MD

3. ASSOCIATION OF US NEWS AND WORLD REPORT RANKING OF BEST HOSPITALS IN GASTROENTEROLOGY AND GASTROINTESTINAL SURGERY WITH PATIENT OUTCOMES IN COMPLEX GASTROINTESTINAL SURGERY FOR MALIGNANCY
E Tay, S Gambhir, S Hohmann, B Smith, S Stopenski, S Daly, M Hinojosa, N Nguyen
University of California Irvine Medical Center
Presenter: Erika Tay MD

4. IMPACT OF TRIMESTER ON CLINICAL OUTCOMES FOLLOWING LAPAROSCOPIC CHOLECYSTECTOMY DURING PREGNANCY
V Cheng, K Matsushima, M Ashbrook, K Matsuo, M Schellenberg, K Inaba, K Sandhu
Los Angeles County + University of Southern California Medical Center
Presenter: Vincent Cheng MD

6. DOES LOCALIZATION TECHNIQUE MATTER FOR NON-PALPABLE TUMORS?
AB Chagpar, C Garcia-Cantu, MM Howard-McNatt, JS Gass, E Levine, A Chiba, SS Lum, R Martinez, E Brown, KK Gallagher, AI Willis, S Pandya, M Murray, A Fenton, V Haddad, N Livingstone Solomon, DW Ollila, M Senthil, E Dupont, on behalf of the SHAVE2 authors
Yale University School of Medicine
Presenter: Anees Chagpar MD, MSc, MPH, MA, MBA

7. EVALUATING THE VARIATION IN PERIOPERATIVE OPTMIZATION FOR COLORECTAL SURGERY: A REPORT FROM THE SURGICAL CARE OUTCOMES ASSESSMENT PROGRAM
C Weed, G Bernier, D Christante, T Feldmann, D Flum, J Kaplan, R Moonka, R Thirlby, V Simianu
Virginia Mason Medical Center
Presenter: Christina Weed MD, MPH

8. DOES THE APPROACH AND EXTENT OF COLORECTAL RESECTION AFFECT THE SHORT TERM OUTCOMES IN PATIENTS WITH ULCERATIVE COLITIS?
M Abd El Aziz, W Perry, F Grass, K Mathis, A Merchea, K Behm
Mayo Clinic Rochester
Presenter: Mohamed Abd El Aziz MBBCh

Q 1. THE EFFECT OF POSTOPERATIVE OPIOID USE ON DISCHARGE OPIOID PRESCRIBING IN THE SETTING OF ERAS
DP deLahunta, JM Eberhardt, LM Knab, MA Singer
Loyola University Medical Center
Presenter: Daniel deLahunta MD

Q 2. CAREER ADVANCEMENT FOR SURGEON-EDUCATORS: FINDINGS FROM A MODIFIED DELPHI PROCESS
A Cochran, L Neumayer, D Scott, M Klingensmith, J Mellinger, G Dunnington, K Brasel
Presenter: Amalia Cochran MD, FACS, FCCM

5. TOTAL THYROIDECTOMY VS. THYROID LOBECTOMY FOR LOCALIZED PAPILLARY THYROID CANCER IN CHILDREN: A PROPENSITY-SCORE MATCHED SURVIVAL ANALYSIS
K Memeh, B Ruhle, S Alsafran, T Vaghaiwalla, P Angelos, X Keutgen
University of Chicago
Presenter: Kelvin Memeh MD

Q 3. MARGIN POSITIVITY AFFECTS SURVIVAL FOR PAPILLARY THYROID MICROCARCINOMA: AN ANALYSIS OF 13,648 PATIENTS
CI Lee, O Kutlu, ZF Khan, O Picado, RS Handelsman, BW Whitfield, JC Farra, JI Lew
University of Miami Miller School of Medicine
Presenter: Christina Lee BS

9. HERNIA MESH IS SAFE: 10-YEAR EXPERIENCE WITH OVER 6000 PATIENTS
M Attaar, B Forester, S Chirayil, B Su, H Wong, K Kuchta, J Linn, W Denham, S Haggerty, M Ujiki
NorthShore University HealthSystem
Presenter: Mikhail Attaar MD

10. DIRECTED CUTANEOUS NEURECTOMY FOR REFRACTORY POST-TRAUMATIC AND POSTOPERATIVE PAIN
CE Lucas, AM Ledgerwood
Wayne State University School of Medicine, Detroit Medical Center
Presenter: Charles Lucas MD

*11. TEACHING EFFECTIVE INFORMED CONSENT COMMUNICATION SKILLS IN THE VIRTUAL SURGICAL CLERKSHIP
M Wang, B Pickett, E Finlay, S Fortner
University of New Mexico
Presenter: Ming-Li Wang MD

Q 4. TECHNIQUES AND OUTCOMES OF COMPLEX ABDOMINAL WALL RECONSTRUCTION IN CIRRHOTIC PATIENTS WITH ASCITES: INITIAL RESULTS OF A PROSPECTIVE STUDY
R Latifi, J Choi, S Gogna, R Bodin, A Rojas, M Gachabayov, A Smiley, G Veillette, S Nishida
Westchester Medical Center
Presenter: James Choi MD, MA

12. MOLECULAR PERITONEAL STAGING (MUTANT KRAS DNA) IN PANCREATIC ADENOCARCINOMA: RESULTS FROM A PROSPECTIVE TRIAL
J Yonkus, A Abdelrahman, A Schneider, M Kendrick, D Nagorney, R Smoot, S Cleary, T Grotz, J Voss, G Keeney, B Kipp, M Truty
Mayo Clinic Rochester
Presenter: Jennifer Yonkus MD

13. PRELIMINARY ANALYSIS OF LIQUID BIOPSY AFTER HEPATECTOMY FOR COLORECTAL LIVER METASTASES
YS Chun, MC Mason, HS Tran Cao, CWD Tzeng, TA Aloia, JN Vauthey
The University of Texas MD Anderson Cancer Center
Presenter: Meredith Mason MD

14. DIURESIS DOES MAKE A DIFFERENCE IN MAJOR HEPATECTOMY
M Soufi, K Flick, TK Nguyen, CM Schmidt, NJ Zyromski, A Nakeeb, MG House, EP Ceppa
Indiana University School of Medicine
Presenter: Mazhar Soufi MD

Q 5. ASSOCIATION OF A NON-INVASIVE FIBROSIS MARKER AND POST-OPERATIVE LIVER FAILURE AFTER RESECTION OF COLORECTAL LIVER METASTASIS
Y Ashouri, M Hamidi, M El Ghouayel, R Turk, L Konstantinidis, F Maegawa, V Nfonsam
University of Arizona
Presenter: Yazan Ashouri MBBS

15. DOES ADOPTION OF NEW TECHNOLOGY INCREASE SURGICAL VOLUME? THE ROBOTIC INGUINAL HERNIA REPAIR MODEL
T Barry, C DuCoin, E Eguia, E Cousin-Peterson, P Kuo, H Janjua
University of South Florida
Presenter: Tara Barry MD

16. IS THE IMPROVED SURVIVAL IN EARLY-STAGE PANCREATIC CANCER WORTH THE EXTRA COST AT HIGH-VOLUME CENTERS?
L Perry, S Bateni, R Bold, J Hoch
University of California Davis
Presenter: Lauren Perry MD

*17. SURVIVAL AFTER MARGIN POSITIVE RESECTION IN THE ERA OF MODERN CHEMOTHERAPY FOR PANCREATIC CANCER: DO PATIENTS STILL BENEFIT?
AK Arrington, P Hsu, M Schaefer, C O'Grady, M Khreiss, TS Riall
University of Arizona
Presenter: Amanda Arrington MD MHM FACS

Q 6. PRE-SURGICAL POSITRON EMISSION TOMOGRAPHY IMAGING PREDICTS POST-NEOADJUVANT CHEMOTHERAPY PATHOLOGICAL RESPONSE IN PANCREATIC DUCTAL ADENOCARCINOMA
A Abdelrahman, J Yonkus, M Kendrick, D Nagorney, R Smoot, S Cleary, T Grotz, A Goenka, M Truty
Mayo Clinic Rochester
Presenter: Amro Abdelrahman MBBS

18. PATIENT PERSPECTIVES ON DEFINING TEXTBOOK OUTCOMES FOLLOWING MAJOR ABDOMINAL SURGERY
JT Wiseman, A Sarna, CE Wills, J Beane, V Grignol, A Ejaz, TM Pawlik, N Ikoma, JM Cloyd
The University of Texas MD Anderson Cancer Center
Presenter: Jason Wiseman MD, MSPH

Q 7. NON-OPERATIVE MANAGEMENT OF ACUTE CALCULOUS CHOLECYSTITIS IN CIRRHOTIC PATIENTS: IS IT THE RIGHT WAY TO GO?
M Chehab, L Bible, S Asmar, M Douglas, M Ditillo, L Castanon, M Khurrum, A Tang, L Gries, B Joseph
University of Arizona
Presenter: Mohamad Chehab MD

Q 11. CHOOSING WHAT VARIABLES MATTER IN RISK STRATIFICATION FOR HEPATECTOMIES USING A MACHINE LEARNING TECHNIQUE
MG Urdaneta, T Garwe, K Stewart, Z Sarwar, KT Morris
Oklahoma University College of Medicine
Presenter: Maria Urdaneta Perez MD

19. A NOVEL METHOD OF EVALUATING LIVER TRANSPLANT SURGERY FELLOWS USING OBJECTIVE MEASURES OF OPERATIVE EFFICIENCY AND SURGICAL OUTCOMES
J Yu, N Vachharajani, O Ahmed, J Wellen, S Shenoy, W Chapman, M Doyle, A Khan
Washington University in Saint Louis
Presenter: Jennifer Yu MD

Q 8. PORTAL VEIN FLOW AND THE DEVELOPMENT OF POST-TRANSPLANT ASCITES
M Pfeiffer, N Vachharajani, T Subramanian, O Ahmed, A Khan, J Wellen, S Shenoy, W Chapman, M Doyle
Washington University in Saint Louis
Presenter: Morgan Pfeiffer BS

Q 9. THE IMPACT OF CANDIDATE AGE ON ACCESS TO LIVER TRANSPLANTATION FOR HEPATOCELLULAR CARCINOMA
O Ahmed, N Vachharajani, SH Chang, Y Park, AS Khan, WC Chapman, MB Doyle
Washington University in Saint Louis
Presenter: Ola Ahmed MD

20. A LEG TO STAND ON: TRAUMA CENTER DESIGNATION IS ASSOCIATED WITH THE RATE OF LIMB SALVAGE IN PATIENTS SUFFERING SEVERE LOWER EXTREMITY INJURY
C Bunn, S Kulshrestha, B DiChario, U Maduekwe, FA Luchette, MS Baker, SP Agnew
Loyola University Medical Center
Presenter: Corinne Bunn MD

21. IMPROVING SEPSIS SCREENING IN TRAUMA PATIENTS: DEACTIVATING SIRS ALERTS FOR 48 HOURS POST-INJURY
A Phares, A Marrufo, CM Theodorou, G McGlynn, L Errecart, GJ Jurkovich
University of California Davis
Presenter: Amanda Phares MD

22. ARE URINARY TRACT INFECTIONS RESPONSIBLE FOR ELDERLY GROUND LEVEL FALLS OR FOUND DOWN DIAGNOSES?
N Dhillon, S Toscano, G Conde, S Perepa, L Lill, G Barmparas, E Ley
Cedars-Sinai Medical Center
Presenter: Navpreet Dhillon MD

Q 10. PRE-HOSPITAL ADMINISTRATION OF OPIOIDS IN TRAUMA PATIENTS: DOES DOSE EFFECTS OUTCOMES?
M Khurrum, M Chehab, M Douglas, S Asmar, M Ditillo, L Bible, L Gries, B Joseph
University of Arizona
Presenter: Muhammad Khurrum MD

Q 12. IT ALL COMES OUT IN THE WASH: AUTOTRANSFUSION IS SAFE DESPITE ENTERIC CONTAMINATION
J Lilienstein, M Kochubey, L Garcia, R Dirks, J Davis
University of California San Francisco, Fresno
Presenter: Jordan Lilienstein MD

Q 13. REBOA PROVIDES A SAFE AND EFFECTIVE ALTERNATIVE TO EMERGENCY DEPARTMENT THORACOTOMY IN THE TIMES OF COVID-19
N Vigneshwar, E Moore, A Sauaia, J Morrison, T Scalea, L Moore, J Podbielski, J Cannon, M Seamon, K Inaba, A Piccinini, C Fox, D Kauvar, V Baggenstoss, C Spalding, D Turay, J Dubose
University of Colorado School of Medicine
Presenter: Navin Vigneshwar MD

23. OPEN VS. ENDOVASCULAR TREATMENT OF TRAUMATIC PERIPHERAL ARTERIAL INJURIES: A PROPENSITY MATCHED ANALYSIS
S Asmar, L Bible, M Chehab, L Castanon, M Khurrum, M Ditillo, A Tang, M Douglas, B Joseph
University of Arizona
Presenter: Samer Asmar MD

P 1. ORGAN SPACE SURGICAL SITE INFECTION AFTER COLORECTAL SURGERY IN VETERANS
M Kamara, A Shahait, K Girten, K Saleh, D Weaver, S Gruber, G Mostafa
Wayne State University School of Medicine, Detroit Medical Center
Presenter: Maseray Kamara MD

P 2. MINIMALLY INVASIVE ILEAL POUCH ANAL ANATOMOSIS FOR PATIENTS WITH OBESITY. A PROPENSITY SCORE MATCHED ANALYSIS.
D Larson, M Abd El Aziz, F Grass, S Shawki, K Mathis
Mayo Clinic Rochester
Presenter: Mohamed Abd El Aziz MBBCh

P 3. FACTORS CONTRIBUTING TO UNPLANNED READMISSION FOLLOWING COLECTOMY FOR MALIGNANT COLON CANCER
E Krall, E Krall, J Lee, M Hamidi, M Chehab, R Silva, E Pefok, V Nfonsam, T Jerome, H Jecius
University of Arizona
Presenter: Erika Krall

P 4. TEACHING ENDOSCOPIC UPPER GASTROINTESTINAL BLEEDING CONTROL TO PRACTICING SURGEONS: AN "INTO THE FIRE" APPROACH TO SIMULATION
H Wong, M Attaar, B Su, K Kuchta, J Linn, S Haggerty, W Denham, M Ujiki
NorthShore University HealthSystem
Presenter: Harry Wong MD

P 5. DOES PRE-OPERATIVE ESTIMATED GLOMERULAR FILTRATION RATE (EGFR) PREDICT SHORT-TERM SURGICAL OUTCOMES IN PATIENTS UNDERGOING PANCREATIC RESECTIONS?
M Hamidi, C O'Grady, A Arrington, L Morris-Wiseman, TS Riall, M Khreiss
University of Arizona
Presenter: Mohammad Hamidi MD

P 6. PREDICTING EARLY RECURRENCE AFTER MAJOR HEPATECTOMY FOR METASTATIC COLORECTAL CANCER
MW Fromer, CR Scoggins, ME Egger, P Philips, CH O'Neill, KM McMasters, RCG Martin
University of Louisville
Presenter: Marc Fromer MD

P 7. PREOPERATIVE CHEMOTHERAPY IS ASSOCIATED WITH WORSE OVERALL SURVIVAL IN OPERABLE COLON CANCER
A Artinyan, Y Nasseri, R Zhu, I Stettler, W Shen, F Alemi, J Cohen, N Seiser
Adventist Health, Glendale
Presenter: Avo Artinyan MD, MS

P 8. MICROBIAL DYSBIOSIS IS ASSOCIATED WITH ADENOMATOUS POLYPS
KM Watson, S Anand, IH Gardner, K Siemens, EN Dewey, CA Gaulke, VL Tsikitis
Oregon Health & Science University
Presenter: Vasiliki Liana Tsikitis MD MBA MCR FACS FASCRA

P 9. POSTOPERATIVE OUTCOMES IN THE PLAIN COMMUNITY PATIENT POPULATION: A SINGLE INSTITUTION RETROSPECTIVE STUDY IN WISCONSIN
R Seiler, K Kallies, A Borgert, B Jarman
Gundersen Health System
Presenter: Rachel Seiler MD

P 10. IS NUTRITIONAL STATUS ASSOCIATED WITH PERCUTANEOUS ENDOSCOPIC GASTROSTOMY (PEG) COMPLICATIONS IN TRAUMA PATIENTS?
J Tung, KL Kaups, A Saraswat, RC Dirks, LP Sue
University of California San Francisco, Fresno
Presenter: Jamie Tung MD

P 11. TOTAL ENDOVASCULAR REPAIR OF A RUPTURED ABERRANT RIGHT SUBCLAVIAN ARTERY ANEURYSM
A Shabbir, E Kerby, S Hans
Henry Ford Macomb Hospital
Presenter: Asim Shabbir DO