Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Somewhat low lung volumes seen with streaky bibasilar opacities suggestive of atelectasis . There is no consolidation , effusion , or pulmonary vascular congestion . The cardiomediastinal silhouette is within normal limits . Acute left clavicular fracture is better characterized on dedicated shoulder films .
    OUTPUT:
    
No acute cardiopulmonary process .