title: Choriocarcinoma presenting with massive rectal bleeding.
mesh_terms: D000328:Adult; D002822:Choriocarcinoma / Q000150:complications*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D009362:Neoplasm Metastasis; D011247:Pregnancy; D012004:Rectal Neoplasms / Q000150:complications*; D014594:Uterine Neoplasms / Q000150:complications*