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If less than the desired number of lymph nodes is found, and none show metastasis, should it be classified as pNX or pN0?

April 26, 2017Classified Desired lymph metastasis nodes pnx

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If less than the desired number of lymph nodes is found, and none show metastasis, should it be classified as pNX or pN0?

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If the examined lymph nodes are negative, but the number ordinarily resected is not met, classify as pN0. The number of lymph nodes examined and the number involved by tumour should be recorded in the pathology report. This information may be added in parentheses, e.g., for colorectal carcinoma pN0 (0/10) or pN1 (2/11). 1.