OnCo
termsTerm

Colectomy

aka hemicolectomy, right hemicolectomy, left hemicolectomy, segmental colectomy, colectomies

Removing the part of the colon containing the cancer along with its blood supply and lymph nodes, then joining the ends.

Right or left hemicolectomy removes the affected half of the colon; the bowel is usually reconnected without a permanent stoma. Laparoscopic colectomy is oncologically equivalent to open surgery (COST, CLASICC). At least 12 nodes should be examined for accurate staging; adjuvant FOLFOX or CAPOX follows for stage III and high-risk stage II, increasingly guided by ctDNA (DYNAMIC, CIRCULATE). Rectal cancer uses different operations (total mesorectal excision, abdominoperineal resection).

Category
Procedures

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