Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , moderate right - sided pleural effusion with adjacent atelectasis has slightly increased in size , with no evidence of left - sided effusion . Cardiomegaly is unchanged . No focal consolidation or pneumothorax .
    OUTPUT:
    
Slightly increased moderate right - sided pleural effusion , without new focal consolidation or pneumothorax .