Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of a new right pectoral Infuse - A - Port projects over the superior cavoatrial junction . The loculated right pleural effusion has substantially increased since ___ , and is now moderate in size . The left lung is clear . Heart size can not be accurately assessed . The mediastinal contours are stable .
    OUTPUT:
    
Substantial interval increase in loculated right pleural effusion since ___ , which is now moderate in size .