Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pigtail pleural catheter remains in place , with persistent small - to - moderate right pleural effusion and adjacent right basilar atelectasis , not appreciably changed . Minor atelectasis is present at the left lung base . Remainder of lungs are clear , and cardiomediastinal contours are stable .
    OUTPUT:
    
Persistent right pleural effusion with pigtail pleural catheter in place .