Well-defined lobulated heterogeneously enhancing soft tissue mass lesion in the anterior and middle mediastinum with extension to retrosternal and lower neck with no calcification, hemorrhage, or fat component.
The previously mentioned mass encasing ascending and aortic arch, innominate, right subclavian, and carotid arteries as well as encasing and severely narrowing SVC, azygos, right brachiocephalic veins with collaterals in the right upper neck and intercostal space along with abutting the superior aspect of the right pulmonary artery, (superior vena cava syndrome).
Deviated trachea to the left side.
Right supraclavicular and lower cervical lymph nodes.
Right-sided pleural effusion.