Patient Presents With Anterior Mediastinal Mass

January 18, 2017

A 43-year-old man presents with an anterior mediastinal mass. The mass is surgically resected and a biopsy is performed. What is your diagnosis?

A 43-year-old man presents with an anterior mediastinal mass. The mass is surgically resected and a biopsy is performed.

Based on the image shown, what is your diagnosis?