Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: THERE ARE LOW INSPIRATORY VOLUMES . THE CARDIOMEDIASTINAL SILHOUETTE IS PROMINENT , BUT UNCHANGED . THERE IS UPPER ZONE REDISTRIBUTION AM MILD VASCULAR PLETHORA , ALSO UNCHANGED . MINIMAL PATCHY OPACITY AT BOTH LUNG BASES . IN THE SETTING OF LOW LUNG VOLUMES , THIS MOST LIKELY REPRESENTS ATELECTASIS . NO DEFINITE CONSOLIDATION . NO GROSS EFFUSION .
    OUTPUT:
    
PROBABLE BIBASILAR ATELECTASIS . MILD VASCULAR PLETHORA . IF THERE IS ONGOING CONCERN FOR POSSIBLE PNEUMONIC INFILTRATE , THEN A LATERAL VIEW MAY HELP FOR FURTHER ASSESSMENT .