[Case of malignant melanoma with gastrointestinal hemorrhage as a main symptom].
D000310:Adrenal Gland Neoplasms / Q000473:pathology; D001344:Autopsy; D001932:Brain Neoplasms / Q000473:pathology; D004379:Duodenal Neoplasms / Q000473:pathology; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications* / Q000473:pathology; D007583:Jejunum / Q000473:pathology; D008297:Male; D008545:Melanoma / Q000150:complications*; D008875:Middle Aged; D009362:Neoplasm Metastasis