Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right central line tip is at the cavoatrial junction . There continues to be some right apical and right infrahilar opacities that are slightly improved compared to the prior study from ___ and there has been interval clearing of the infiltrates on the left .
    OUTPUT:
    
Improving appearance of bilateral pulmonary infiltrates with residual infiltrate on the right .