A colostomy is a surgical procedure in which an opening (stoma) is formed by drawing the healthy end of the large intestine or colon through an incision in the anterior abdominal wall and suturing it into place.
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Amygdalohippocampectomy is a surgical procedure for the treatment of epilepsy.
Anal sphincterotomy is a surgical procedure that involves treating mucosal fissures from the anal canal/sphincter.
Angioplasty, also known as balloon angioplasty and percutaneous transluminal angioplasty (PTA), is a minimally invasive, endovascular procedure to widen narrowed or obstructed arteries or veins, typically to treat arterial atherosclerosis.
Anterior temporal lobectomy is the complete removal of the anterior portion of the temporal lobe of the brain.