title: Lymphoid hyperplasia of the stomach presenting as umbilicated polypoid lesions. Report of two cases.
mesh_terms: D000328:Adult; D001706:Biopsy; D003937:Diagnosis, Differential; D005745:Gastric Acidity Determination; D005753:Gastric Mucosa / Q000473:pathology; D006801:Humans; D006965:Hyperplasia / Q000000981:diagnostic imaging / Q000473:pathology; D008221:Lymphoid Tissue / Q000473:pathology; D008297:Male; D011127:Polyps / Q000000981:diagnostic imaging*; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging*; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*