Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear unchanged . The aortic arch is again partly calcified . The lungs appear hyperinflated . Streaky right basilar opacity appears unchanged and suggests atelectasis or scarring . There is small oval calcification projecting immediately to the right side along the right cardiac border , unchanged but potentially a granuloma or overlying bony structure of doubtful significance . There is no definite pleural effusion . No pneumothorax is demonstrated . Mild degenerative changes are similar throughout the thoracic spine .
    OUTPUT:
    
Findings suggesting obstructive pulmonary disease . No evidence of pneumonia .