Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A reticular opacification is seen in the left apex , which could be an area of aspiration . Mild vascular congestion is possible , however , there is no overt pulmonary edema . Increased right lower lobe basilar opacities likely indicate increased atelectasis . There is increased linear atelectasis in the left lung base . The heart size is unchanged . The left hemidiaphragm is chronically elevated , possibly from stomach distension . The previously seen right subclavian catheter has been removed .
    OUTPUT:
    
1 . A reticular opacification is seen in the left apex , which could be an area of aspiration . 2 . Increased bibasilar atelectasis since ___ .