Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Marked widening of the right upper and mid mediastinal contours are present , with associated leftward deviation of the trachea . Descending thoracic aorta is tortuous and calcified . Heart size is normal . Coarse linear and reticular opacities are present at both lung bases . No pleural effusion or pneumothorax .
    OUTPUT:
    
Large right mediastinal mass , which could represent a large thyroid goiter , vascular aneurysm , or conglomerate lymph node mass from lymphoma or other malignancy . As discussed with Dr . ___ by telephone by ___ at 8 : 17 p .m . ___ ___ at the time of discovery , a chest CT is recommended for further evaluation .