Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Bibasilar atelectasis is seen . There is no definite focal consolidation . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable . An external marker overlies the distal left clavicle . No displaced fracture is seen .
    OUTPUT:
    
Bibasilar atelectasis . No definite fracture seen however , external marker projects over the distal left clavicle . If high concern for clavicular fracture , suggest dedicated imaging of the clavicles .