Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . The heart is normal in size . Within the limitations of technique , the cardiac , mediastinal and hilar contours are probably unchanged . Tortuosity and calcification of the thoracic aorta appear unchanged . There is no pleural effusion or pneumothorax . The lungs appear clear aside from streaky left basilar opacity suggesting minor atelectasis .
    OUTPUT:
    
Suspected minor left basilar atelectasis , otherwise unremarkable .