A 62 year old female presented with a 6 cm left renal cortical mass. She underwent a left radical nephrectomy and photomicrographs of the lesion are shown below.
|Benjamin Van Treeck, M.D.
Resident, Anatomic and Clinical Pathology
|Rafael Jimenez, M.D.
Consultant, Anatomic Pathology
Associate Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine