Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Again seen is right pleural effusion , not significantly changed . Retrocardiac opacity still persists . Right - sided drainage catheter is in unchanged position . Right - sided PICC line terminates in the mid SVC . Endotracheal tube has been removed . There is no pneumothorax .
    OUTPUT:
    
Compared to prior study from 3 days ago , there is little change .