Intratumoral Heterogeneity of Ki67 Index and Its Impact on the Diagnosis and Prognostication of Pancreatic Neuroendocrine Tumors: Hot-Spot Count Differs Significantly from Random-Area Count
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The pivotal role of Ki67 in grading pancreatic neuroendocrine tumors (PanNETs) is well recognized and firmly established in current WHO guidelines. Intratumoral heterogeneity is a well-known phenomenon, and it has also been documented for Ki67; however, the da... ...
