Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right pleural pigtail catheter projecting over the right lower chest and protruding no more than 2 .5 cm into the chest with associated interval decrease in size of a right pleural effusion . A right pleural effusion remains , with right basilar opacity likely representing persistent atelectasis . The cardiac silhouette is normal in size . The mediastinal contours are normal . The known prominent subcarinal node is not well appreciated .
    OUTPUT:
    
Interval right pleural pigtail catheter placement , which projects of the lower right chest , and protrudes not more than 2 .5 cm into the chest . There has been interval decrease in size of a right pleural effusion , persistent right basilar atelectasis is seen .