Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph demonstrates persistent severe known pneumoperitoneum . There is unchanged appearing bilateral atelectasis of the lower lobes with small bilateral pleural effusions . There is decreased aeration of the left lower lobe which may represent worsening atelectasis versus infectious pneumonia in the appropriate clinical setting . There are no findings to suggest vascular congestion on this radiograph . There has been interval removal of a right - sided internal jugular catheter . No pneumothorax . There is a left sided PICC seen terminating at the mid to low SVC in constant position .
    OUTPUT:
    
Bibasilar opacities and adjacent pleural effusions . Unchanged appearance of known massive free intra-abdominal air .