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What is Dukes classification is used for: and explain in detail?
(Colo-rectal carcinoma) (1232-Baily & Love) (1180-B &L 25th)Dukes staging A. The growth is limited to the rectal wall (15%)Prognosis excellentB. The growth is extended to the extrarectal tissues, but no metastasis to the regional lymph nodes (35%)Prognosis - reasonableC. There are secondary deposits in the regional lymph nodes (50%) - in which local pararectal lymph node are involved. - in which the nodes accompanying the supplying blood vesselsPrognosis poorD. Presence wide spread metastasis usually hepatic.Prognosis worst