Intraligi intra Intracisternal material of known identity intramural diverticulosis of gall bladder Intrathoracic esophagogastric anastomosis intracellular metabolite-gated channels Intracranial phlebectomy with anastomosis Intraocular ossification after eye injury intra-aortic balloon pumping assistance Intracavitary radioactive colloid therapy intraoperative magnetic resonance imaging intrathoracic radioactive colloid therapy