Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate - to - severe pulmonary edema has substantially increased compared to the prior radiograph from ___ . There is subsegmental bibasilar atelectasis , left greater than right . Moderate cardiomegaly has not significantly changed . Bulging of the azygos contour is slightly increased . Aortic calcifications are noted . There are no definite pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . Moderate - to - severe pulmonary edema , increased compared to radiographs from ___ . 2 . ___ cardiomegaly , not significantly changed .