obsolete_gastric antral vascular ectasia true A distinct vascular lesion in the PYLORIC ANTRUM that is characterized by tortuous dilated blood vessels (ectasia) radiating outward from the PYLORUS. The vessel pattern resembles the stripes on the surface of a watermelon. This lesion causes both acute and chronic GASTROINTESTINAL HEMORRHAGE. NCIt:C84724 Gastric Antral Vascular Ectasia MedDRA:10051585 3.88.0 Watermelon stomach (disorder) DOID:2493 gastric antral vascular ectasia (disorder) MESH:D020252 Sirarat Sarntivijai Replaced by Mondo term MONDO_0006767, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0006767 http://purl.obolibrary.org/obo/MONDO_0006767