Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post coronary artery bypass graft surgery . The heart appears mildly enlarged . The cardiac , mediastinal and hilar contours appear stable . Streaky opacities in the lingula suggesting minor scarring are unchanged . Otherwise , the lungs remain clear . There is no pleural effusion or pneumothorax . Kyphotic curvature is exaggerated with suspected bony demineralization and mild chronic appearing loss in height of two mid thoracic vertebral bodies . There is again dishiscence of the third sternal wire from the top without displacement . There has been no significant change .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .