title: Primary malignant tumors of the small intestine.
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis / Q000401:mortality / Q000473:pathology; D000328:Adult; D004379:Duodenal Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000473:pathology; D005260:Female; D006801:Humans; D007082:Ileum / Q000473:pathology; D007414:Intestinal Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000473:pathology; D007421:Intestine, Small / Q000473:pathology; D007583:Jejunum / Q000473:pathology; D008297:Male; D008875:Middle Aged