Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a Port - A - Cath terminating at the cavoatrial junction . The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . Patchy scarring at each lung apex appears unchanged . Otherwise , the lungs appear clear .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .