Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Moderate enlargement of cardiac silhouette is re - demonstrated . Mediastinal contour is unchanged . Diffuse atherosclerotic calcifications of the aorta are noted . Hilar contours are within normal limits . Pulmonary vasculature is not engorged . Lungs are clear without focal consolidation . No large pleural effusion or pneumothorax is detected , however the extreme lung apices are obscured by the patient 's chin and neck soft tissues projecting over these regions . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .