The respective and combinatorial roles of surgery, Rituximab and chemotherapy in primary gastric diffuse large B cell lymphoma (PGDLBCL) therapy remained unclear. The purpose of the study was to evaluate present treatment strategies and prognostic factors of PGDLBCL. | Treatment strategies and prognostic factors of primary gastric diffuse large B cell lymphoma: A retrospective multicenter study of 272 cases from the China lymphoma patient registry