Patient Presents With Shortness of Breath, Mediastinal Mass

A 47-year-old man presents with shortness of breath and is found to have an anterior mediastinal mass. A biopsy is performed. What is your diagnosis?

A 47-year-old man presents with shortness of breath and is found to have an anterior mediastinal mass. A biopsy is performed.

What is your diagnosis?

A. Lymphoma

B. Carcinoma

C. Castleman disease

D. Thymoma

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