Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are decreased , accentuating the cardiac silhouette and bronchovascular structures . The heart is top normal in size , unchanged . There is no definite focal abnormality suggestive of pneumonia . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Decreased lung volumes , no focal abnormality suggestive of pneumonia .