Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of consolidation , effusion , or pulmonary vascular congestion . Cardiac silhouette is enlarged but unchanged . There is marked tortuosity of the descending thoracic aorta which is unchanged from prior . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Cardiomegaly and marked tortuosity of the descending thoracic aorta , unchanged .