Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . The lungs appear clear aside from streaky right basilar opacities that have shifted slightly in morphology again suggesting atelectasis or scarring . A patchy left basilar opacity also suggests minor atelectasis or scarring that is likewise unchanged . There is no pleural effusion or pneumothorax . Small osteophytes are noted along the upper thoracic spine with mildly narrowed interspaces .
    OUTPUT:
    
Patchy basilar opacities suggesting minor atelectasis ; otherwise unremarkable .