Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . THE CARDIAC SILHOUETTE IS TOP - NORMAL . AORTA SLIGHT TORTUOUS . THE PATIENT IS STATUS POST MEDIAN STERNOTOMY AND CABG .
    OUTPUT:
    
No acute cardiopulmonary process .