Pain in Right Arm of 63-Year-Old Patient

Poll

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