To observe the efficacy, safety, postoperative pathological remission rate and survival benefit of patients with HER-2 positive locally advanced adenocarcinoma of stomach and gastroesophageal junction treated with camrelizumab+SOX combined with trastuzumab or not.
A Study of the Advanced Adenocarcinoma of Stomach and Gastroesophageal Junction With Camrelizumab+SOX Control Camrelizumab+SOX+ Trastuzumab