Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes , which accentuate the bronchovascular markings . Patchy basilar opacity is seen , particularly on the lateral view of which could be due to atelectasis but infection or aspiration not excluded . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . Cervical spine hardware is noted .
    OUTPUT:
    
Low lung volumes , which accentuate the bronchovascular markings . Patchy basilar opacity is seen , particularly on the lateral view of which could be due to atelectasis but infection or aspiration not excluded