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Hartmann's procedure
Hartmann's procedure is an emergency colorectal operation that removes the diseased sigmoid colon and upper rectum, closes the rectal stump, and brings the proximal colon out as an end colostomy.
Hemicolectomy
A hemicolectomy is an operation in which a segment of the colon is removed, most often to treat colon cancer, together with the mesentery and lymph nodes that drain it.
Left colectomy
Left colectomy is an operation that removes the left portion of the colon, typically for cancer or diverticular disease, with splenic flexure mobilization as its key challenge.
Partial colectomy
Partial colectomy, also known as subtotal colectomy, is an operation that removes a segment of the colon, most often to treat colon cancer, diverticulitis, or inflammatory bowel disease.
Right colectomy
A right colectomy, or right hemicolectomy, is surgery that removes the right colon with terminal ileum and lymph nodes, most often to treat cancer of the cecum or ascending colon.
Sigmoid colectomy
Sigmoid colectomy is an operation that removes the sigmoid colon to treat diverticulitis, tumors, or volvulus, with laparoscopic resection now preferred in the elective setting.
Total colectomy
Total colectomy is an operation that removes the entire colon from cecum to sigmoid, leaving the rectum in place, performed electively for inflammatory bowel disease or emergently for toxic megacolon.