Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Port - A - Cath again terminates at the cavoatrial junction . There is marked increased opacity in the right upper lobe suggesting pneumonia superimposed on background abnormalities of the lobe including volume loss and treatment - related changes . Elsewhere the lungs appear clear . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
Increasing right upper lobe opacity suggesting pneumonia .