What is the diffeential diagnosis for this mass? What invstigation will you do next?
Mediastinal mass differential diagnosis: thyroid, thymus, teratoma, tuberculosis, "terrible" lymphoma, metastatic deposits, primary bronchial carcinoma. Further investigation: CT + contrast and endobronchial biopsy.
Superior right-sided mediastinal mass with impression on the trachea. No lung or bone lesions.