Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supportive and monitoring equipment is unchanged in appearance when compared the prior study . There are 2 right - sided chest drains common the more superiorly positioned and drain approximates an apical right pleural effusion , this drain appears be bent back on itself . Persistent airspace opacity in the right lung base has actually improved compared to the prior study . The left lung appears grossly clear except note atelectasis in the left mid lung .
    OUTPUT:
    
Persistent right apical pleural effusion . The more superior of the 2 chest drains closely approximates the fluid but appears to be bent back on itself .