Gastrointestinal: vascular lesions of the stomach.
D016888:Angiodysplasia / Q000473:pathology*; D004378:Duodenal Diseases / Q000473:pathology; D004724:Endoscopy; D006801:Humans; D013272:Stomach Diseases / Q000473:pathology*; D013684:Telangiectasis / Q000473:pathology*