Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Retrocardiac opacity persists . There is a new moderate right layering pleural effusion possibly with a component of atelectasis . There is a new tracheostomy terminating 3 .2 cm above the carina . A right PICC line terminates approximately in the lower SVC . In and from the NG tube has been removed .
    OUTPUT:
    
Retrocardiac opacity persists with a new mildly sized right - sided pleural effusion .