Julien Edeline, MD, on Biliary Tract Cancer: Results of the PRODIGY 12-ACCORD 18 Trial (French Language Version) 
2017 Gastrointestinal Cancers Symposium
Julien Edeline, MD, of the Centre Eugène Marquis, discusses in French study findings on gemcitabine and oxaliplatin vs surveillance following surgery for localized biliary tract cancer (Abstract 225).
Michael J. Overman, MD, of The University of Texas MD Anderson Cancer Center, discusses study findings on nivolumab alone or in combination with ipilimumab in patients with DNA mismatch repair–deficient/microsatellite instability high metastatic colorectal cancer (Abstract 519).
Brendan J. Guercio, MD, of the Dana-Farber Cancer Institute, discusses results from a study of patients with metastatic colorectal cancer who took part in weekly physical activity and its impact on their disease progression and overall survival (Abstract 659).
Ignacio Melero, MD, PhD, of the University Clinic of Navarra, Centre of Applied Medical Research, discusses in Spanish study findings on nivolumab dose escalation and expansion in patients with advanced hepatocellular carcinoma (Abstract 226).
Masanori Terashima, MD, PhD, of Shizuoka Cancer Center, discusses phase III study findings evaluating bursectomy for patients with subserosal/serosal gastric cancer (Abstract 5).
Cynthia L. Sears, MD, of Johns Hopkins University School of Medicine, summarizes her keynote talk on microbes, microbiota, and colon cancer. Next-generation sequencing combined with biologic studies suggests that most colorectal cancer cases have specific microbiome associations.