Gastric submucosal arterial malformation.
D000328:Adult; D001158:Arteries / Q000002:abnormalities; D001165:Arteriovenous Malformations / Q000150:complications* / Q000473:pathology; D005753:Gastric Mucosa / Q000098:blood supply* / Q000473:pathology; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D012422:Rupture, Spontaneous; D013275:Stomach Rupture / Q000209:etiology*