<unk>  (col- + -ectomy) is bowel resection of the large bowel (colon). It consists of the surgical removal of any extent of the colon, usually segmental resection (partial<unk> . In extreme cases where the entire large intestine is removed, it is called total<unk> , and proctocolectomy (procto- +<unk>  denotes that the rectum is included.
Colectomy
Bowel resection
Colostomy
Colostomy reversal
Ileostomy
Gastroenterostomy
Ureterosigmoidostomy
Coloanal anastomosis