Man Presents With Right Leg Mass

May 12, 2016
Cesar A. Moran, MD

A 56-year-old man presents with a mass in the calf of his right leg, and a biopsy is performed. What is your diagnosis?

A 56-year-old man presents with a mass in the calf of his right leg, and a biopsy is performed.

Based on the image shown, what is your diagnosis?