Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right internal jugular line ends at the cavoatrial junction . The cardiac size is mildly enlarged . The mediastinal contours are normal . There is cephalization of the pulmonary vasculature and Kerley B lines which is concerning for mild pulmonary edema . Bilateral lower lobe airspace opacities likely reflect atelectasis . There degenerative changes within the bilateral acromioclavicular joints . O ;d left rib fracture is noted .
    OUTPUT:
    
Mild pulmonary edema .