Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Heart size remains moderately enlarged . The aorta is tortuous , and demonstrates mild calcification . Mediastinal and hilar contours otherwise are unremarkable . Calcified pleural plaques are noted bilaterally . The lungs are hyperinflated with flattening of the diaphragms . Linear opacities within the lung bases likely reflect scarring or chronic changes . No focal consolidation , pleural effusion or pneumothorax is identified . There are multilevel degenerative changes in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .