Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left internal jugular catheter terminates in the distal SVC . A nasogastric tube terminates in the stomach . There has been an interval increase in the right pleural effusion , now moderate . There is associated increased opacification of the right lung base likely reflecting atelectasis but superimposed infection can not be excluded . The left lung appears grossly clear . Borderline cardiomegaly with prominence of the pulmonary vasculature consistent with mild pulmonary vascular congestion .
    OUTPUT:
    
Increased right pleural effusion with associated atelectasis , superimposed infection can not be excluded .