kidney Week 758: Case 1 April 26, 2023 pathadmin 1. Presented by Dr. Jonathan Epstein and prepared by Dr. Sintawat WangsiricharoenA 55 year old man presents with a 2.5 cm solid mass in the kidney. The tumor was diffusely positive for CK7 and negative for CD117 (Ckit).Choose the correct diagnosis:A. Eosinophilic variant of chromophobe renal cell carcinomaB. Low grade oncocytic tumor (LOT)C. OncocytomaD. Eosinophilic solid and cystic renal cell carcinoma (ESC RCC) Loading...