Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post sternotomy and aortic valve replacement . The heart is at the upper limits of normal size . The mediastinal and hilar contours appear unchanged . Left - sided pleural effusion has probably resolved or is at least not visible , while a small right - sided pleural effusion persists . The lungs appear clear . Widespread sclerotic bony metastases are present .
    OUTPUT:
    
No evidence of acute disease .