Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post sternotomy . The heart is moderate to severely enlarged , as seen previously . The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . An opacity in the right lung has resolved . Mild loss in height of a few lower thoracic vertebral bodies appears stable and not substantial . Slight rightward convex curvature is centered at the thoracolumbar junction .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease . Cardiomegaly .