Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ and the removal of the right chest tube , the volume of the moderate size , persistent right pleural space , has decreased , but it now contains a small loculated fluid collection Postoperative widening of the apparent right mediastinal contour has been stable since ___ , probably a fluid collection in the mediastinum or the medial right pleural space . Left basal atelectasis has improved . The lungs are otherwise clear . The heart size is normal .
    OUTPUT:
    
1 . Interval development of a small loculated fluid collection in the decreasing , peristent right pleural space , is to be expected , and should give rise to concern for superinfection or bleeding only if the patient manifests the appropriate clinical findings . 2 . Stable postoperative mediastinal or right paramediastinal fluid collection . These findings were discussed at length with Dr . ___ by Dr . ___ , by telephone , on the day of the exam at 11 :17 am .