CT - Post contrast CT
There is a large heterogenously enhancing mass in the right anterior mediastinum. There is mass effect on the vessels at the posterior aspect, including the SVC which is narrowed, and heart medially. Several nodules at the superior aspect of the mass, and prominent nodes in the superior mediastinum and right axilla (not enlarged by size criteria). No pulmonary, pleural or upper abdominal masses to suggest metastases.