Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed and compared to the prior study . A large right pleural effusion is presumably maglignant . Atelectasis of the right middle and lower lobe is suspected . The left lung is clear . Cardiac and mediastinal contours are stable . There is no pneumothorax .
    OUTPUT:
    
1 . Large right pleural effusion , presumably malignant considering the history of renal cell carcinoma metastasized to the right lung . 2 . Suspected near complete right middle and lower lobe atelectasis .