Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: THE DRAIN PREVIOUSLY SEEN AT THE BASE OF THE LEFT LUNG IS NOT DEFINITIVELY IDENTIFIED . POSSIBLE SMALL RIGHT APICAL PNEUMOTHORAX . SMALL RIGHT EFFUSION AND HAZY OPACITY ALONG THE LOWER RIGHT CHEST IS NOT SIGNIFICANTLY CHANGED . THE PREVIOUSLY SEEN ELLIPSOID DENSITY IN THE RIGHT MIDZONE IS NO LONGER VISUALIZED . MINIMAL PLATELIKE ATELECTASIS OR TRACE FLUID IN THE MINOR FISSURE IS NOW NOTED . OTHERWISE , I DOUBT SIGNIFICANT INTERVAL CHANGE .
    OUTPUT:
    
INTERVAL REMOVAL OF DRAIN . SUSPECT SMALL RIGHT APICAL PNEUMOTHORAX .