Inclusion Criteria:  We included histologically proven gastric adenocarcinoma patient with operable disease and the patients who completed their prescribed perioperative or adjuvant chemotherapy cycles  Exclusion Criteria:  Patients were excluded if they had Tis or T1, N0 disease, inoperable disease, metastatic. In addition, all those who did not undergo adequate lymphadenectomy (< D2) or had R1 margins following surgery were excluded