A 69-year-old woman with chronic kidney disease and myelofibrosis presented with a 2-day history of dyspnea and general weakness. Magnetic resonance imaging of the abdomen is shown here.
What is the diagnosis?
A. Renal-cell carcinoma
D. Perirenal extramedullary hematopoiesis
Answer will be disclosed shortly!
The present case appears in NEJM