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In gastric carcinoma, is the presence of positive lymph nodes/tumour nodules in omentum considered N or M1?

April 26, 2017carcinoma Gastric lymph nodes Nodules omentum positive presence Tumour

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In gastric carcinoma, is the presence of positive lymph nodes/tumour nodules in omentum considered N or M1?

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If they are close to the stomach (in the lymph drainage area) N 1-3 is likely; if they’re far from the stomach, M1 seems reasonable. If you are in doubt, use TNM Rule No. 4, when in doubt choose the lower category (M0).