Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top - normal . The aorta is calcified , indicating atherosclerosis . The mediastinal and hilar contours are normal . There is diffuse hazy opacity in the perihilar and lower lung fields , concerning for moderate pulmonary edema . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Moderate pulmonary edema .