Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two views of the chest demonstrate bibasilar atelectasis with right perihilar increase in opacity which is asymmetric and may represent aspiration or developing infection . There is no pleural effusion or pneumothorax . The cardiac and mediastinal contours are normal . Lung volumes remain low .
    OUTPUT:
    
Bibasilar atelectasis and right infrahilar opacity , which may represent aspiration or developing infection .