Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: THERE ARE LOW INSPIRATORY VOLUMES , WITH BIBASILAR ATELECTASIS . MILD PROMINENCE OF THE CARDIOMEDIASTINAL SILHOUETTE IS LIKELY RELATED TO THE LOW INSPIRATORY VOLUMES AND TECHNIQUE . THERE IS UPPER ZONE REDISTRIBUTION , BUT NO OVERT CHF . NO FRANK CONSOLIDATION . NO GROSS EFFUSION . NO PNEUMOTHORAX DETECTED . THE LEFT HEMIDIAPHRAGM IS SLIGHTLY ELEVATED , WITH UNDERLYING AIR - FILLED COLONIC SPLENIC FLEXURE . THIS APPEARANCE IS SIMILAR TO ___ , THOUGH THE LOOP OF BOWEL IS SLIGHTLY DILATED ON TODAY'S EXAMINATION .
    OUTPUT:
    
LOW INSPIRATORY VOLUMES . BIBASILAR ATELECTASIS . THE POSSIBILITY OF AN UNDERLYING INFILTRATE CANNOT BE ENTIRELY EXCLUDED .