Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . There is a left paramediastinal mass which is better assessed on the prior CT , compatible with known primary lung cancer . The lungs are otherwise clear , though changes from known emphysema are noted . No pleural effusion is seen . Overall cardiomediastinal contour appears unchanged from prior CT . Bony structures are intact . Of note , no displaced rib fractures are seen . A wedge deformity of the upper thoracic spine is stable .
    OUTPUT:
    
Stable mediastinal prominence compatible with known left paramediastinal mass . Emphysema . No acute injury is seen . Please refer to subsequent CT chest for additional details .