anaplastic Wilms tumor
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Definition: Anaplasia in Wilms tumor.
References
Faria P, Beckwith JB, Mishra K, Zuppan C, Weeks DA, Breslow N, Green DM. Focal versus diffuse anaplasia in Wilms tumor?new definitions with prognostic significance: a report from the National Wilms Tumor Study Group. Am J Surg Pathol. 1996 Aug;20(8):909-20. PMID: 8712292