title: [Primary gastric lymphoma: clinicopathological study of 27 cases using the Lymphoma Study Group (LSG) classification, Working Formulation for Clinical Usage (WFCU) and Lukes-Collins classifications].
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008223:Lymphoma / Q000145:classification* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D013274:Stomach Neoplasms / Q000145:classification* / Q000473:pathology