[Case of digestive tract hemorrhage presenting preoperatively difficult diagnosis].
D002822:Choriocarcinoma / Q000150:complications*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications*; D008113:Liver Neoplasms / Q000150:complications*; D008875:Middle Aged; D009362:Neoplasm Metastasis; D011247:Pregnancy