Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Increased right upper lobe opacity likely reflects atelectasis . There has been interval placement of a right internal jugular central venous line , which terminates in the right atrium . Recommend pullback by 4 cm . There is no pneumothorax or pleural effusion . The heart is normal in size .
    OUTPUT:
    
1 . Right internal jugular central venous line terminates in the right atrium . Recommend pullback by 4 cm and repeat chest radiograph . 2 . Worsening right upper lobe opacity likely reflects atelectasis .