Yu Sunakawa, MD, PhD, St. Marianna University School of Medicine, Kawasaki, Japan, discusses the findings of a prospective investigation evaluating clinical outcomes from real-world data of nivolumab treatment in advanced gastric cancer. The real-world data of nivolumab treatment in advanced gastric cancer indicated comparable survival to previous clinical trial data. This interview took place at the American Society of Clinical Oncology (ASCO) 2021 Virtual Meeting.