The FDA has granted approval to nivolumab (Opdivo®, Bristol-Myers Squibb Company) in combination with fluoropyrimidine- and platinum-containing chemotherapy for the initial treatment of patients with advanced/metastatic gastric cancer, gastroesophageal junction cancer, and esophageal adenocarcinoma. "Standard first-line chemotherapy options for advanced or metastatic human epidermal growth factor receptor 2 (HER2)-negative gastric cancer/gastroesophageal junction cancer result in poor overall su...