Intestinal angiodysplasia involves
Colonic aeriovenous malformation (AVM) is one of the causes of lower GI bleeding. Unlike small vascular ectasia or angiodysplasia, colonic AVM tends to be solitary, large in size, and identified endoscopically as flat or as an elevated bright red lesion. REFERANCE.MEDSCAP.COM
AV malformation
Cavernous hemangioma
Cavernous hemangioma
Malignant tumor
G.I.T