Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Dense mitral annular calcifications are noted . Cardiac silhouette size is normal . The aorta is mildly tortuous and diffusely calcified . Pulmonary vasculature is normal . Streaky opacities in the lower lobes likely reflect atelectasis . There is no focal consolidation , pleural effusion or pneumothorax . Ossification of the anterior longitudinal ligament is noted . There are clips from prior cholecystectomy in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .