Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Inferior - most sternotomy wire appears disrupted . Moderate enlargement of the cardiac silhouette is demonstrated . The thoracic aorta demonstrates diffuse atherosclerotic calcifications . The mediastinal and hilar contours are otherwise unremarkable . Pulmonary vasculature is not engorged . Apart from minimal atelectasis in the lung bases , the lungs are clear without focal consolidation . Minimal blunting of the right costophrenic angle suggests a trace right pleural effusion . No pneumothorax is seen . The right hemidiaphragm is mildly elevated , of unknown chronicity . No acute osseous abnormality is visualized . Mild degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Moderate cardiomegaly with trace right pleural effusion . No focal consolidation to suggest pneumonia .