Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are lower compared to the previous study . This accentuates the size of the cardiac silhouette which is top normal . Aorta is mildly tortuous and demonstrates mild atherosclerotic calcifications . Mediastinal and hilar contours are otherwise unremarkable . Minimal linear atelectasis is seen in the lung bases . No focal consolidation , pleural effusion or pneumothorax is detected . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .