Thesis Name: Evaluation on treatment results in stages IIB-III (T4, N0 - 3, M0) of gastric cancer with EOX regimen adjuvant chemotherapy after surgery at K hospital Code: 62720149 Department: Oncolygy Name of Postgraduate student: VU QUANG TOAN Science advisor: Associate Professor DOAN HUU NGHI The study was done at HANOI MEDICAL UNIVERSITY The contributions of the thesis The thesis confirms the efficacy of EOX regimen adjuvant chemotherapy for gastric cancer at stage IIB-III with tumors invading serosa or adjacent structures, no distant metastasis (T4, N0 - 3, M0) - the high rate group in Vietnam nowadays.