Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post sternotomy . Suture material projects over the left suprahilar region and clips suggest prior coronary bypass surgery . The heart appears mild to moderately enlarged . There is no pleural effusion or pneumothorax . The lungs appear clear .
    OUTPUT:
    
Cardiomegaly . No evidence of acute disease .