Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC line terminates at the cavoatrial junction . The patient has been extubated and an enteric tube has been removed . The lung volumes are low . Vague retrocardiac opacity is not well characterized or specific , but would most often be seen with atelectasis . Pleural effusions are difficult to exclude . There is mild perihilar opacification suggesting fluid overload .
    OUTPUT:
    
Findings suggesting mild fluid overload . Vague retrocardiac opacity suggesting atelectasis . PICC line terminating at the cavoatrial junction .