Research Article

Palliative Gastrectomy Prolongs Survival of Metastatic Gastric Cancer Patients with Normal Preoperative CEA or CA19-9 Values: A Retrospective Cohort Study

Figure 4

Kaplan-Meier overall survival curve according to palliative gastrectomy. Patients alive 2 or more months after diagnosis of gastric cancer () stratified by CEA and CA19-9 (a). All patients () stratified by CEA and CA19-9 (b).
(a)
(b)