Pain in Right Arm of 63-Year-Old Patient

A 63-year-old man presents with pain in the right arm. A lesion in the humerus is identified and a biopsy is taken. What is your diagnosis?

A 63-year-old man presents with pain in the right arm. A lesion in the humerus is identified and a biopsy is taken.

What is your diagnosis?

A. Primitive neuroectodermal tumor

B. Lymphoma

C. Osteosarcoma

D. Chondrosarcoma

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