title: Endoscopic diagnosis of primary carcinoma of the small intestine.
mesh_terms: D000231:Adenocarcinoma, Papillary / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D000747:Anemia, Hypochromic / Q000175:diagnosis; D001706:Biopsy; D004379:Duodenal Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D004386:Duodenum / Q000473:pathology; D004724:Endoscopy; D005336:Fiber Optic Technology; D005773:Gastroscopy; D006801:Humans; D007583:Jejunum / Q000473:pathology; D008297:Male; D008551:Melena / Q000175:diagnosis; D008875:Middle Aged