On November 25, 2025, the Food and Drug Administration approved durvalumab (Imfinzi, AstraZeneca) with fluorouracil, leucovorin, oxaliplatin, and docetaxel (FLOT) chemotherapy as neoadjuvant and adjuvant treatment, followed by single agent durvalumab, for adults with resectable gastric or gastroesophageal junction adenocarcinoma (GC/GEJC).