Fig. 4From: Clinicopathological heterogeneity between primary and metastatic sites of gastroenteropancreatic neuroendocrine neoplasmPercentages of patients with Ki-67 index-variation at different primary tumor sites (a). Percentages of patients with Ki-67 index-variation under different classifications of NENs (b). Percentages of patients with Ki-67 index-variation under different types of metastatic tumors (c)Back to article page