Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were provided . Lung volumes are significantly low . There is no focal consolidation , pleural effusion or pneumothorax . There is bibasilar atelectasis . The cardiomediastinal silhouette is unchanged . Median sternotomy wires are intact . A right chest wall Port - A - Cath terminates at the cavoatrial junction . There is no free air under the hemidiaphragms . Osseous structures are intact .
    OUTPUT:
    
Low lung volumes but no acute process and no evidence of free peritoneal air .