title: Difficulties in differentiating endoscopically primary from secondary gastric non-Hodgkin's lymphoma.
authors.forename: A
authors.initials: A
authors.lastname: Tursi
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003937:Diagnosis, Differential; D016099:Endoscopy, Gastrointestinal; D005260:Female; D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000175:diagnosis / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D012680:Sensitivity and Specificity; D013274:Stomach Neoplasms / Q000473:pathology* / Q000556:secondary*