N 1 colon carcinoma

Colon carcinoma N1

N1 Colon carcinoma

Metastasis to one to three regional lymph nodes.

Regional lymph nodes are pericolic or perirectal, those situated along the ileo-colic, right colon, median colic, left colic or inferior mesenteric arteries as well as hemorroidal and intern iliac arteries.

Drawing by the author according to TNM Atlas from UICC

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