Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior study there is mild improvement in severe diffuse pulmonary edema . Moderate cardiomegaly is unchanged . Focal consolidation would be difficult to exclude given the degree of pulmonary edema . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Mild improvement in severe diffuse bilateral pulmonary edema with continued severe pulmonary edema and stable moderate cardiomegaly .