Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no effusion or consolidation or edema . There is mild enlargement of the cardiac silhouette . No acute osseous abnormalities .
    OUTPUT:
    
Enlargement of the cardiac silhouette , potentially due to underlying cardiomegaly . Pericardial effusion would also be possible . ___ , MD