Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are stable . No focal consolidation . The cardiomediastinal and hilar contours are stable . Unchanged small right apical pneumothorax , when compared to earlier study on ___ since removal of pigtail catheter . The pleural line projects over the fourth posterior rib . Small right residual basilar pneumothorax , if any . A bullae could possibly be superimposing the right basal pleural lesion . Trace , if any , pleural effusion best seen on lateral views and without definitive laterality . No left pneumothoraces .
    OUTPUT:
    
Unchanged small right apical pneumothorax . Small residual right basilar pneumothorax .