cases Week 769: Bonus Case 3 April 26, 2023 pathadmin 1. Presented by Dr. Pedram Argani and prepared by Dr. Katherine FomchenkoThis is a middle-aged female with a renal mass. WT1 and ALK immunostains are included.WT1:ALK:A. Metanephric adenoma B. Metanephric adenoma-Wilms tumor composite neoplasm C. ALK rearranged renal cell carcinoma D. Metanephric adenoma-papillary renal cell carcinoma composite tumor Loading...