Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of consolidation or pulmonary vascular congestion . Trace blunting of posterior costophrenic angles may be due to trace effusions . Tortuosity and calcification of the ectatic thoracic aorta is again noted . Cardiomediastinal silhouette is unchanged and notable for a dual - lead pacing device and mild cardiomegaly . Diffuse osteopenia is again noted .
    OUTPUT:
    
No definite acute cardiopulmonary process .