Association of Adjuvant Immunotherapy With Survival Outcomes Among Patients With Locally Advanced Gastric Cancer After Neoadjuvant Immunochemotherapy: A Propensity Score-Matched Cohort Study.
BACKGROUND For patients with locally advanced gastric cancer (LAGC) who have received neoadjuvant immunochemotherapy (NAIC), it has been recognized that adjuvant chemotherapy after operation is indispensable for the majority of cases; nevertheless, whether additional postoperative adjuvant immunotherapy is needed is st...