Fig. 3From: Reconsideration of the optimal minimum lymph node count for young colon cancer patients: a population-based studyMean number of positive node in different groups. The patients were divided into three groups according to the total number of lymph nodes examined, including < 12 nodes, 12–21 nodes and ≥ 22 nodes. The mean number of positive lymph node had a positive relationship with total number of lymph node examined, with P < 0.001Back to article page