title: Primary upper small intestinal lymphoma (so-called Mediterranean lymphoma).
mesh_terms: D000328:Adult; D001706:Biopsy; D004379:Duodenal Neoplasms / Q000473:pathology; D005260:Female; D006362:Heavy Chain Disease / Q000150:complications; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications / Q000453:epidemiology / Q000209:etiology / Q000473:pathology* / Q000628:therapy; D007421:Intestine, Small / Q000473:pathology*; D007492:Iran; D007558:Italy; D007583:Jejunum / Q000473:pathology; D008207:Lymphatic Metastasis; D008223:Lymphoma / Q000150:complications / Q000453:epidemiology / Q000209:etiology / Q000473:pathology* / Q000628:therapy; D016403:Lymphoma, Large B-Cell, Diffuse / Q000473:pathology; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology; D008286:Malabsorption Syndromes / Q000209:etiology; D008297:Male; D013019:South Africa