Patient Presents With Leg Mass

A 47-year-old woman presents with a mass in her right calf, and a biopsy is performed. What is your diagnosis?

A 47-year-old woman presents with a mass in her right calf, and a biopsy is performed.

Based on the image shown, what is your diagnosis?

A. Malignant mesothelioma

B. Biphasic synovial sarcoma

C. Melanoma

D. Adenocarcinoma

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