Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . Mediastinal and hilar contours are unremarkable . Left PICC has been removed . No focal consolidation , pleural effusion or pneumothorax is seen . Minimal patchy opacities in the lung bases likely reflect atelectasis . There are no acute osseous abnormalities .
    OUTPUT:
    
Minimal bibasilar atelectasis .