Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The aorta is slightly tortuous . The arch is calcified . Otherwise , the mediastinal and hilar contours appear unchanged . The lungs are mildly hyperinflated . There is no pleural effusion or pneumothorax . There is a vague patchy right basilar opacity , most suggestive of minor scarring or atelectasis . Otherwise , the lungs appear clear . Small osteophytes are noted along the thoracic spine .
    OUTPUT:
    
Opacity in the right lower lung suggesting minor atelectasis or scarring . Mild cardiomegaly .