Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are extremely low limiting evaluation . There secondary crowding of the bronchovascular markings and streaky left basilar opacities which are likely atelectasis . . There may be superimposed pulmonary edema although detailed evaluation is very limited . Additional right basilar opacity could represent atelectasis although effusion or infection would be difficult to exclude . Left PICC is noted although the tip is not clearly delineated .
    OUTPUT:
    
Limited exam due to low lung volumes . Possible superimposed pulmonary edema and right basilar opacity which could represent any combination of atelectasis , effusion or consolidation .