The purpose of this study is to prove that as for disease free survival time, and safety, Apatinib with XELOX(Oxaliplatin with Capecitabine) has a better effect over that of XELOX adjunct therapy group for postoperative chemotherapy of locally advanced gastric signet ring carcinoma with D2 dissection.
This is a randomized, multicenter, controlled study to compared the Efficacy and Safety of XELOX combined with Apatinib versus XELOX as post-operative chemotherapy in locally advanced gastric signet ring carcinoma with D2 dissection.