Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . There is mild bibasilar atelectasis , but no focal consolidation is identified . Mild - to - moderate cardiomegaly is present but not significantly changed from prior . Otherwise , cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Remote deformity of the left distal clavicle is again noted .
    OUTPUT:
    
Mild - to - moderate cardiomegaly . Mild bibasilar atelectasis , but no focal consolidation to suggest pneumonia .