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Thursday, Mar 21st
10:45am - 11:45am ET
Getting the Most out of ERAS Pathways for Patients Undergoing Gastric Cancer Surgery
Location: Georgia Ballroom
Moderator: Evan S. Glazer, MD, PhD, FACS, FSSO (he/him/his) – Department of Surgery, University of Tennessee Health Science Center
Moderator: Richelle Williams, MD (she/her/hers) – University of Maryland Medical Center
Upper GICME
Thursday, Mar 21st
3:15pm - 3:45pm ET
Upper GI Poster Presentations 1
Location: C110
Poster Session Moderator: Michael E. Egger, MD, MPH – University of Louisville
Poster Session Moderator: Miral S. Grandhi, MD – Division of Surgical Oncology, Rutgers Cancer Institute of New Jersey - Rutgers Robert Wood Johnson Medical School
Upper GInon-CMEPosters
Thursday, Mar 21st
3:16pm - 3:22pm ET
P66: CTLA-4 Blockade Increases Tumor-infiltrating CD8+ Cells in a Syngeneic Model of Gastric Cancer
Location: C110
Oral Poster Presenter: Morgan F. Pettigrew, MD – University of Texas Southwestern Medical Center
Submitter: Morgan F. Pettigrew, MD – University of Texas Southwestern Medical Center
Author: Morgan F. Pettigrew, MD – University of Texas Southwestern Medical Center
Author: Verena W. Cao, BS – UT Southwestern
Author: Shu Xiao, PhD – UT Southwestern
Author: John D. Karalis, MD – University of Texas Southwestern Medical Center
Author: Sam C. Wang, MD – University of Texas Southwestern Medical Center
Upper GI
Thursday, Mar 21st
3:22pm - 3:28pm ET
P67: Long-Term Outcomes in Patients with Gastric Cancer after Conversion from Positive to Negative Peritoneal Cytology
Location: C110
Oral Poster Presenter: Ryan J. Ellis, MD, MS – Indiana University School of Medicine
Submitter: Ryan J. Ellis, MD, MS – Indiana University School of Medicine
Author: Johan L. Dikken, MD – Leiden University Medical Center
Author: Cary Jo R. Schlick, MD (she/her/hers) – Memorial Sloan Kettering Cancer Center
Author: Bhumika Jadeja, MS – Memorial Sloan Kettering Cancer Center
Author: David H. Ilson, MD – Memorial Sloan Kettering Cancer Center
Author: Geoffrey Y. Ku, MD – Memorial Sloan Kettering Cancer Center
Author: Laura H. Tang, MD – Memorial Sloan Kettering Cancer Center
Author: Murray F F. Brennan, MD – Memorial Sloan Kettering Cancer Center
Author: Vivian E. Strong, MD – Memorial Sloan Kettering Cancer Center
Author: Daniel G. Coit, MD – Memorial Sloan Kettering Cancer Center
Upper GI
Thursday, Mar 21st
3:28pm - 3:34pm ET
P68: Systemic Treg depletion inhibits tumor growth in gastrointestinal stromal tumor (GIST)
Location: C110
Oral Poster Presenter: Alina K. Mangold, MD (she/her/hers) – University of Pennsylvania
Submitter: Alina K. Mangold, MD (she/her/hers) – University of Pennsylvania
Author: Alina K. Mangold, MD (she/her/hers) – University of Pennsylvania
Author: Adrian Seifert, MD, PD, FACS – University of Dresden
Author: Shan Zeng, PhD – University of Pennsylvania
Author: Katherine J. Tardy, MD – University of Pennsylvania
Author: Hyunjee V. Kwak, MD – University of Pennsylvania
Author: Kevin Do, BS – University of Pennsylvania
Author: Ferdinando Rossi, PhD – University of Pennsylvania
Author: Ronald P. DeMatteo, MD, FACS (he/him/his) – The Hospital of the University of Pennsylvania
Upper GI
Thursday, Mar 21st
3:34pm - 3:40pm ET
P69: The Effect of Laparoscopic Gastric Ischemic Preconditioning Prior to Esophagectomy on Anastomotic Stricture Rate: A Prospective Cohort Study
Location: C110
Oral Poster Presenter: Christina M. Stuart, MD (she/her/hers) – University of Colorado, Department of Surgery
Submitter: Christina M. Stuart, MD (she/her/hers) – University of Colorado, Department of Surgery
Author: Christina M. Stuart, MD (she/her/hers) – University of Colorado, Department of Surgery
Author: Nicole M. Mott, MD, MSCR – University of Colorado, Department of Surgery
Author: Sara Byers, MS – University of Colorado, Anschutz Medical Campus
Author: Adam R. Dyas, MD – University of Colorado, Department of Surgery
Author: Anna K. Gergen, MD – University of Colorado, Department of Surgery
Author: Simran K. Randhawa, MBBS – University of Colorado, Department of Surgery
Author: Benedetto Mungo, MD – University of Colorado, Department of Surgery
Author: Elizabeth A. David, MD, MAS – University of Colorado, Department of Surgery
Author: John D. Mitchell, MD – University of Colorado, Department of Surgery
Author: Martin D. McCarter, MD – University of Colorado, Department of Surgery
Author: Robert A. Meguid, MD, MPH – University of Colorado, Department of Surgery
Author: Camille Stewart, MD, FSSO, FACS (she/her/hers) – CommonSpirit Health, St. Anthony Hospital
Upper GI
Thursday, Mar 21st
4:00pm - 4:30pm ET
Novel Therapies for UGI Cancers
Location: SSO HUB: HPB, CRS, Upper GI Zone
HUB Moderator: Brian A. Boone, MD, FACS – Department of Surgery, West Virginia University
Upper GInon-CMEHUB
Friday, Mar 22nd
10:30am - 12:00pm ET
Upper GI Parallel Session
Location: C102
Moderator: Joseph Kim, MD – Division of Surgical Oncology, Department of Surgery, University of Kentucky
Moderator: Tania Arora, MD, FACS, FSSO – Department of Surgery, Medical College of Georgia, Augusta University, Augusta, GA, USA
Upper GICMEOral Abstracts
Friday, Mar 22nd
10:32am - 10:42am ET
89: Survival Outcomes in Patients with Resectable Gastric Cancer Treated with Total Neoadjuvant Therapy
Location: C102
Abstract Presenter: Yun Song, MD (she/her/hers) – The University of Texas MD Anderson Cancer Center
Submitter: Yun Song, MD (she/her/hers) – The University of Texas MD Anderson Cancer Center
Author: Yun Song, MD (she/her/hers) – The University of Texas MD Anderson Cancer Center
Author: Yuki Hirata, MD, PhD – The University of Texas MD Anderson Cancer Center
Author: Jaffer Ajani, MD – MD Anderson Cancer Center
Author: Mariela Blum, MD – MD Anderson Cancer Center
Author: Jenny Li, MD – MD Anderson Cancer Center
Author: Prajnan Das, MD – MD Anderson Cancer Center
Author: Bruce Minsky, MD – MD Anderson Cancer Center
Author: Paul F. Mansfield, MD – MD Anderson Cancer Center
Author: Naruhiko Ikoma, MD, MS – The University of Texas MD Anderson Cancer Center
Author: Brian Badgwell, MD, MS – MD Anderson Cancer Center
Upper GI
Friday, Mar 22nd
10:42am - 10:52am ET
90: Pathological complete response to FLOT chemotherapy with or without durvalumab in resectable gastric and gastroesophageal junction cancer: subgroup analysis by region from the phase 3, randomized, double-blind MATTERHORN study
Abstract Presenter: Daniela Molena, MD (she/her/hers) – Division of Thoracic Surgery, Memorial Sloan Kettering Cancer Center
Author: Yelena Y. Janjigian, MD – Gastrointestinal Oncology Service, Memorial Sloan Kettering Cancer Center
Author: Salah-Eddin Al-Batran, MD – Institute of Clinical Cancer Research, Krankenhaus Nordwest, University Cancer Center
Author: Zev A. Wainberg, MD – Department of Gastrointestinal Medical Oncology, David Geffen School of Medicine at UCLA
Author: Eric Van Cutsem, MD, PhD – Department of Gastroenterology/Digestive Oncology, University Hospitals Leuven and KU Leuven
Author: Daniela Molena, MD (she/her/hers) – Division of Thoracic Surgery, Memorial Sloan Kettering Cancer Center
Author: Kei Muro, MD, PhD – Department of Clinical Oncology, Aichi Cancer Center Hospital
Author: Woo Jin Hyung, MD, PhD – Department of Surgery, Yonsei University College of Medicine,
Author: Lucjan Wyrwicz, MD, PhD – Department of Oncology and Radiotherapy, Maria Sklodowska-Curie National Research Institute of Oncology
Author: Do-Youn Oh, MD, PhD – Division of Medical Oncology, Department of Internal Medicine, Seoul National University Hospital; Cancer Research Institute, Seoul National University College of Medicine
Author: Takeshi Omori, MD, PhD – Department of Gastroenterological Surgery, Osaka International Cancer Institute
Author: Markus Moehler, MD, PhD – Research Center for Immunotherapy (FZI), Johannes Gutenberg-University Clinic
Author: Marcelo Garrido, MD – SAGA Clinical Trial Centre and Universidad Mayor
Author: Sulene CS Oliveira, MD – Clinical Oncology, The Clinical Research Center, Northern Riograndense League Against Cancer
Author: Moishe Liberman, MD, PhD – Division of Thoracic Surgery, Department of Surgery, Centre Hospitalier de l'Université de Montréal, Centre de Recherche du CHUM
Author: Victor C. Oliden, MD – National Institute of Neoplastic Diseases (INEN) and Detecta Clínica
Author: Mehmet Bilici, MD – Department of Medical Oncology, Atatürk University Faculty of Medicine
Author: John Kurland, MD – AstraZeneca
Author: Ioannis Xynos, MD, PhD – AstraZeneca
Author: Helen Mann, MSc – AstraZeneca
Author: Josep Tabernero, MD, PhD – Medical Oncology Department, Vall d’Hebron Hospital Campus & Institute of Oncology (VHIO), IOB-Quiron, UVic-UCC
Upper GI
Friday, Mar 22nd
10:52am - 11:02am ET
91: Intensifying Supportive Care is Associated with Improved Survival in Gastric Cancer Patients with Malignant Ascites
Location: C102
Abstract Presenter: John D. Karalis, MD – University of Texas Southwestern Medical Center
Submitter: John D. Karalis, MD – University of Texas Southwestern Medical Center
Author: John D. Karalis, MD – University of Texas Southwestern Medical Center
Author: Michelle R. Ju, MD MPH – Duke University Hospital
Author: Rachel Feig, PA-C – University of Texas Southwestern Medical Center
Author: Raechelle Estrella, PA-C – University of Texas Southwestern Medical Center
Author: Morgan F. Pettigrew, MD – University of Texas Southwestern Medical Center
Author: Rodrigo E. Alterio, MD – University of Texas Southwestern Medical Center
Author: Andres A. Abreu, MD (he/him/his) – Department of Surgery, University of Texas Southwestern Medical Center
Author: Emile Farah, MD – Department of Surgery, University of Texas Southwestern Medical Center
Author: Tarek Sawas, MD – University of Texas Southwestern Medical Center
Author: Nina Sanford, MD – University of Texas Southwestern Medical Center
Author: Aravind Sanjeevaiah, MD – University of Texas Southwestern Medical Center
Author: Suntrea T.G. Hammer, MD – University of Texas Southwestern Medical Center
Author: Matthew R. Porembka, MD (he/him/his) – University of Texas Southwestern Medical Center
Author: Sam C. Wang, MD – University of Texas Southwestern Medical Center
Upper GI
Friday, Mar 22nd
11:02am - 11:12am ET
92: Phase I Trial of Short-Course Chemoradiotherapy followed by Chemotherapy as Total Neoadjuvant Therapy for Patients with Potentially Resectable Gastric Cancer
Location: C102
Abstract Presenter: Brian Badgwell, MD, MS – MD Anderson Cancer Center
Submitter: Brian Badgwell, MD, MS – MD Anderson Cancer Center
Author: Brian Badgwell, MD, MS – MD Anderson Cancer Center
Author: Prajnan Das, MD – MD Anderson Cancer Center
Author: Naruhiko Ikoma, MD, MS – The University of Texas MD Anderson Cancer Center
Author: Mariela Blum, MD – MD Anderson Cancer Center
Author: Jenny Li, MD – MD Anderson Cancer Center
Author: Jeannelyn Estrella, MD – MD Anderson Cancer Center
Author: Bruce Minsky, MD – MD Anderson Cancer Center
Author: Paul F. Mansfield, MD – MD Anderson Cancer Center
Author: Jaffer Ajani, MD – MD Anderson Cancer Center
Upper GI
Friday, Mar 22nd
11:12am - 11:22am ET
93: Trans-oral Delivery of Oncolytic Vaccinia Virus expressing Membrane-Bound IL2 for Esophageal Cancer Treatment.
Location: C102
Abstract Presenter: Sefali Patel, DO – Allegheny Health Network
Submitter: Sefali Patel, DO – Allegheny Health Network
Author: Sefali Patel, DO – Allegheny Health Network
Author: Ashten Omstead, n/a – Allegheny Health Network
Author: Zuqiang Liu, PhD – Allegheny Singer Research Institute
Author: David L. Bartlett, MD – AHN
Author: Ali Zaidi, n/a – Allegheny Health Network
Upper GI
Friday, Mar 22nd
11:22am - 11:32am ET
94: Pathologic Response to Neoadjuvant Immunotherapy in DNA Mismatch Repair Protein-Deficient Gastroesophageal Cancers
Location: C102
Abstract Presenter: Adrienne B. Shannon, MD (she/her/hers) – H. Lee Moffitt Cancer Center and Research Institute
Submitter: Adrienne B. Shannon, MD (she/her/hers) – H. Lee Moffitt Cancer Center and Research Institute
Author: Adrienne B. Shannon, MD (she/her/hers) – H. Lee Moffitt Cancer Center and Research Institute
Author: Rutika J. Mehta, MD, MPH – H. Lee Moffitt Cancer Center and Research Institute
Author: Shaffer R. Mok, MD – H. Lee Moffitt Cancer Center and Research Institute
Author: Gregory Y. Lauwers, MD – H. Lee Moffitt Cancer Center and Research Institute
Author: Jobelle J. A. R. Baldonado, MD – H. Lee Moffitt Cancer Center and Research Institute
Author: Jacques P. Fontaine, MD – H. Lee Moffitt Cancer Center and Research Institute
Author: Jose M. Pimiento, MD, FACS (he/him/his) – H. Lee Moffitt Cancer Center and Research Institute
Author: Andrew J. Sinnamon, MD – H. Lee Moffitt Cancer Center and Research Institute
Upper GI
Friday, Mar 22nd
11:32am - 11:42am ET
95: Efficacy of Ursodeoxycholic Acid for Bile Reflux After Distal Gastrectomy in Patients with Gastric Cancer: A Secondary Analysis of the PEGASUS-D Trial
Location: C102
Abstract Presenter: Do Joong Park, MD, PhD, FACS – Seoul National University Hospital
Submitter: Do Joong Park, MD, PhD, FACS – Seoul National University Hospital
Author: Do Joong Park, MD, PhD, FACS – Seoul National University Hospital
Author: Dong Kee Jang, MD, PhD – Dongguk University Ilsan Hospital
Author: Young Suk Park, MD – Seoul National University Bundang Hospital
Author: Moon-Won Yoo, MD, PhD – Asan Medical Center
Author: Sun-Hwi Hwang, MD, PhD – Pusan National University Yangsan Hospital
Author: Seong-Yeob Ryu, MD, PhD – Chosun University Hospital
Author: Oh Kyoung Kwon, MD, PhD – Kyoungpook National University Chilgok Hospital
Author: Hoon Hur, MD, PhD – Ajou University Hospital
Author: Hong Man Yoon, MD, PhD – National Cancer Center
Author: Bang Wool Eom, MD, PhD – National Cancer Center
Author: Hye Seong Ahn, MD, PhD – Boramae Medical Center
Author: Taeil Son, MD, PhD – Yonsei University Severance Hospital
Author: Kyo Young Song, MD, PhD – Catholic University Seoul St. Mary’s Hospital
Author: Han Hong Lee, MD, PhD – Catholic University Seoul St. Mary’s Hospital
Author: Min-Gew Choi, MD, PhD – Samsung Medical Center
Author: Ji Yeong An, MD, PhD – Samsung Medical Center
Author: Sang-Il Lee, MD, PhD – Chungnam National University Hospital
Author: Sang Hyub Lee, MD, PhD – Seoul National University Hospital
Upper GI
Friday, Mar 22nd
11:42am - 11:52am ET
96: Targeting Gastric Cancer Metastatic Lymph Nodes with a NIR-fluorescent anti-CEA Antibody Enables Their Identification for Resection in Orthotopic Mouse Models
Location: C102
Abstract Presenter: Kristin Cox, MD (she/her/hers) – Department of Surgery, University of California San Diego, La Jolla, CA
Submitter: Kristin Cox, MD (she/her/hers) – Department of Surgery, University of California San Diego, La Jolla, CA
Author: Kristin Cox, MD (she/her/hers) – Department of Surgery, University of California San Diego, La Jolla, CA
Author: Siamak Amirfakhri, PhD – VA San Diego Healthcare System, San Diego, CA
Author: Thinzar M. Lwin, MD (she/her/hers) – Department of Surgical Oncology, City of Hope National Medical Center, Duarte, CA
Author: Pradipta Ghosh, MD – Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, CA
Author: Marygorret Obonyo, PhD – Department of Medicine, University of California San Diego, La Jolla, CA
Author: Robert Hoffman, PhD – AntiCancer Inc., San Diego CA
Author: Paul Yazaki, PhD – Department of Immunology and Theranostics, Beckman Research Institute of the City of Hope, Duarte, CA
Author: Michael Bouvet, MD – Department of Surgery, University of California San Diego
Upper GI
Friday, Mar 22nd
12:00pm - 12:30pm ET
Managing Complications from Advanced Gastric Cancer
Location: SSO HUB: HPB, CRS, Upper GI Zone
HUB Moderator: Sam C. Wang, MD – University of Texas Southwestern Medical Center
Upper GInon-CMEHUB
Friday, Mar 22nd
1:15pm - 1:45pm ET
Upper GI Poster Presentations 2
Location: C110
Poster Session Moderator: Jess E. Maxwell, MD, MBA (she/her/hers) – The University of Texas MD Anderson Cancer Center
Poster Session Moderator: Joe Spencer Liles, MD – University of South Alabama
Upper GInon-CMEPosters
Friday, Mar 22nd
1:15pm - 1:21pm ET
P70: Does Minimally Invasive Gastrectomy Impact Return to Intended Oncologic Therapy for Gastric Cancer?
Location: C110
Oral Poster Presenter: Caitlin Sok, MD, PhD (she/her/hers) – Emory university
Author: Andee Koo (she/her/hers) – Emory University
Author: Caitlin Sok, MD, PhD (she/her/hers) – Emory university
Author: Seth Concors, MD – Emory University
Author: Parit T. Mavani, MBBS – Emory University
Author: Joshua Winer, MD – Emory University
Author: Kenneth Cardona, MD – Winship Cancer Institute, Emory University
Author: Shishir K. Maithel, MD, FACS – Winship Cancer Institute of Emory University
Author: Maria Citarella Russell, MD – Emory University
Author: David A. Kooby, MD, FACS (he/him/his) – Winship Cancer Institute, Division of Surgical Oncology, Emory University
Author: Charles A. Staley, MD – Division of Surgical Oncology, Emory University, Atlanta, GA, United States
Author: Mihir M. Shah, MD, FACS, FSSO (he/him/his) – Department of Surgery, Emory University, Winship Cancer Institute, Atlanta, GA
Upper GI
Friday, Mar 22nd
1:21pm - 1:27pm ET
P71: Surgical Decision Making in Locally Advanced Esophageal Adenocarcinoma
Location: C110
Oral Poster Presenter: Jonathan C. Salo, MD (he/him/his) – Levine Cancer Institute
Author: Van C. Sanderfer, MD – Atrium Health
Author: Alexis Holland, MD – Atrium Health
Author: Erin Donahue, PhD – Levine Cancer Institute
Submitter: Reilly Shea, CCRP – Levine Cancer Institute
Author: Reilly Shea, CCRP – Levine Cancer Institute
Author: Ella Schwarzen, n/a – Levine Cancer Institute
Author: Nicholas Mullis, n/a – Levine Cancer Institute
Author: Sophia Bellavia, n/a – Levine Cancer Institute
Author: Kunal Kadakia, MD – Levine Cancer Institute
Author: Jonathan C. Salo, MD (he/him/his) – Levine Cancer Institute
Upper GI
Friday, Mar 22nd
1:27pm - 1:39pm ET
P72: Tumour Microenvironment Score but not the Cancer Genome Atlas or Asian Cancer Research Group classification is an independent prognostic factor for disease-free survival in non-metastatic gastric cancer
Location: C110
Oral Poster Presenter: Daniel Skubleny, MD PhD – University of Alberta
Submitter: Daniel Skubleny, MD PhD – University of Alberta
Author: Dan Schiller, MD, MSc – University of Alberta
Author: Gina Rayat, PhD – University of Alberta
Upper GI
Friday, Mar 22nd
1:39pm - 1:45pm ET
P73: Adjuvant Chemotherapy for Node-Negative Gastric Adenocarcinoma after Neoadjuvant Chemotherapy and Gastrectomy
Location: C110
Oral Poster Presenter: Sivesh K. Kamarajah, MBChB – Department of Surgery, University Hospitals Birmingham NHS Trust, Birmingham, UK.
Author: Sivesh K. Kamarajah, MBChB – Department of Surgery, University Hospitals Birmingham NHS Trust, Birmingham, UK.
Author: Samer A. naffouje, MD – Cleveland Clinic Foundation
Submitter: Fadi S. Dahdaleh, MD, FACS, FSSO – Rush Medical College
Author: Fadi S. Dahdaleh, MD, FACS, FSSO – Rush Medical College
Upper GI
Friday, Mar 22nd
2:30pm - 2:42pm ET
88: Spatially resolved transcriptomic analysis of hereditary diffuse gastric cancer reveals a unique phenotype of early-stage signet ring cell cancers
Location: Georgia Ballroom
Abstract Presenter: Amber F. Gallanis, MD – National Cancer Institute
Submitter: Amber F. Gallanis, MD – National Cancer Institute
Author: Amber F. Gallanis, MD – National Cancer Institute
Author: Lauren A. Gamble, MD – National Cancer Institute
Author: Sarah Samaranayake, MS – National Cancer Institute
Author: Cassidy R. Bowden, n/a – National Cancer Institute
Author: Cihan Oguz, PhD – Integrated Data Sciences Section, National Institute of Allergy and Infectious Diseases
Author: Justin Lack, PhD – Integrated Data Sciences Section, National Institute of Allergy and Infectious Diseases
Author: Theo Heller, MD – National Institute of Diabetes and Digestive and Kidney Diseases
Author: Andrew M. Blakely, MD – National Cancer Institute
Author: Jonathan M. Hernandez, MD – Surgical Oncology Program, National Cancer Institute
Author: Jeremy L. Davis, MD, FACS (he/him/his) – National Cancer Institute
Upper GI
Saturday, Mar 23rd
9:45am - 10:30am ET
UGI Great Debate: Should we use FLOT or CROSS for Neoadjuvant Therapy for Patients with Resectable Gastro-esophageal Junction Adenocarcinomas?
Location: C102
Moderator: Natalie Coburn, MD, MPH, FRCSC, FACS (she/her/hers) – Evaluative Clinical Sciences, Sunnybrook Research Institute
Upper GICME