Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are similar to prior . The pulmonary vasculature appears slightly engorged and there is at least moderate interstitial edema . There is no focal consolidation , significant effusion , or pneumothorax . Mild cardiomegaly is similar to prior . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen . Aortic calcification is not significantly changed .
    OUTPUT:
    
Pulmonary vasculature engorgement and moderate pulmonary edema .