Endoscopic diagnosis of gastric angiodysplasia.
D000368:Aged; D001808:Blood Vessels / Q000473:pathology; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008551:Melena / Q000209:etiology; D013270:Stomach / Q000098:blood supply*; D013272:Stomach Diseases / Q000150:complications / Q000175:diagnosis*