Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , PA and lateral . Lung volumes are low and there is bibasilar atelectasis . This likely acount for opacity seen in the lower lobe on the lteral view . No definite infiltrate . No chf or effusion . The hilar and cardiomediastinal contours are within normal limits . There is no pneumothorax .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis . Doubt acute pulmonary process .