Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Basilar linear opacities , predominantly within the right mid lung , are unchanged from prior and likely reflect areas of mild scarring or post-radiation changes . Lungs are otherwise clear without confluent consolidation . There is no overt pulmonary edema or large pleural effusions . Cardiomediastinal and hilar contours are normal . There is no pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process