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What is On upper GI endoscopy, "watermelon stripes" is seen in which of the following condition? and explain in detail?
Gastric antral vascular ectasia (GAVE) It is cause of acute or chronic gastrointestinal blood loss. GAVE is responsible of about 4% of non-variceal upper GI haemorrhage. On endoscopy, characteristic pattern of longitudinal stripes of edematous, erythematous mucosa that alternate with less severely injured, paler mucosa ("watermelon stripes"/watermelon stomach). Erythematous stripes are created by ectatic mucosal vessels. Clinical features include acute gastrointestinal bleeding, chronic anemia, vomiting of blood