Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right Port - A - Cath , NG tube and epidural catheter are in unchanged position . Bibasilar opacities are new from ___ , worse on the left and could represent atelectasis or pneumonia in the correct clinical setting . Heart size is unchanged and the mediastinal contours are normal . Small bilateral pleural effusions are unchanged . Free air with air - fluid levels below the right hemidiaphragm consistent with recent abdominal surgery .
    OUTPUT:
    
New bibasilar opacities , left greater than right , could represent atelectasis or pneumonia .