In medicine (gastroenterology),<unk>  is a small vascular malformation of the gut. It is a common cause of otherwise unexplained gastrointestinal bleeding and anemia. Lesions are often multiple, and frequently involve the cecum or ascending colon, although they can occur at other places. Treatment may be with colonoscopic interventions, angiography and embolization, medication, or occasionally surgery.
Angiodysplasia
Gastric varices
Chorangiosis
Anorectal varices
Diverticulosis
Varicose veins
Arteritis
Rectitis