Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is again mild to moderately enlarged . The mediastinal and hilar contours appear stable . An central pulmonary arteries are again mildly prominent in size . There is no pleural effusion or pneumothorax . Lungs appear clear . There has been no significant change .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease . Stable cardiomegaly .