Posterior Mediastinal Mass Discovered in 48-Year-Old Man

Poll

A 48-year-old man presented with symptoms of chest and back pain. Radiographic imaging shows the presence of a posterior mediastinal mass. Surgical resection was performed.

What is your diagnosis?

A. Neuroendocrine carcinoma
B. Thymoma
C. Ependymoma
D. Schwannoma
E. Sarcoma