Skin Lesion on Chest of 27-Year-Old Patient

July 7, 2016

A 27-year-old man presents with a skin lesion on the right side of his chest, and a biopsy is performed. What is your diagnosis?

A 27-year-old man presents with a skin lesion on the right side of his chest, and a biopsy is performed.

Based on the image shown, what is your diagnosis?