Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A PICC line terminates in the uppermost portion of the right atrium . There is a nasogastric tube that terminates within the stomach . Bilateral pleural effusions are again present , greater on the left than right ; moderate on the left and small to moderate on the right . Otherwise , the lungs appear clear . There is no evidence for free air . The lungs appear clear . The heart is normal in size . The mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
No evidence for free air . Bilateral pleural effusions , probably unchanged .