Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP chest radiograph shows pneumoperitoneum has largely resolved . Tracheostomy tube and left PICC are in stable position . Bibasilar opacification , probably representing atelectasis is slightly worse on the left compared to ___ . The cardiomediastinal silhouette is stable . There is no pneumothorax .
    OUTPUT:
    
Resolved pneumoperitoneum . Bibasilar opacification , most likely representing atelectasis is slightly worse on the left .