A 37-Year-Old Man Presents With a Right Ankle Mass

Poll

A 37-year-old man presented with a mass in his right ankle. Resection of the mass was performed.

Based on the histological and molecular features of this tumor, what is your diagnosis?

A. Malignant triton tumor
B. Malignant schwannoma
C. Synovial sarcoma, biphasic type
D. Fibrosarcoma
E. Leiomyosarcoma