Cornelis van de Velde, MD, PhD, of Leiden University Medical Center, discusses the International Watch & Wait database, established to track evidence on organ-preserving strategies in patients with rectal cancer (Abstract 521).
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).
Sarah E. Hoffe, MD, of the Moffitt Cancer Center, discusses the controversial role of radiation in the treatment of pancreatic cancer, recent advances in delivering short courses of high-dose stereotactic body radiation therapy, and how best to integrate this new modality in borderline and locally advanced disease.
Masanori Terashima, MD, PhD, of Shizuoka Cancer Center, discusses phase III study findings evaluating bursectomy for patients with subserosal/serosal gastric cancer (Abstract 5).
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).
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.
