Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . Streaky opacity along the lateral right upper lobe appears unchanged and suggests chronic scarring .
    OUTPUT:
    
Mild cardiomegaly . No evidence of acute cardiopulmonary disease .