Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increased opacification of the bilateral bases , slightly more prominent on the right than the left . The upper zones of the lungs are clear . There is moderate vasculature engorgement . There is no overt pulmonary edema . There is no pleural effusion or pneumothorax . The mediastinal contour is unchanged . The heart size is at the upper limits of normal .
    OUTPUT:
    
New bibasilar opacities , worse on the right than the left , are concerning for pneumonia .