Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Relatively lower lung volumes seen on the current exam . The lungs however are clear of consolidation , large effusion , or pulmonary vascular congestion . Linear bibasilar opacities may be due to atelectasis . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary process .