cases, kidney Week 44: Case 2 April 26, 2023 pathadmin 1. Presented by William Westra, M.D. and prepared by Orin Buetens, M.D.69 year-old man with a kidney mass.Metastatic chondrosarcomaMetastatic osteosarcomaSarcomatoid renal cell carcinoma with heterologous differentiationMetastasizing mixed tumor 1. Presented by William Westra, M.D. and prepared by Orin Buetens, M.D.69 year-old man with a kidney mass.
