Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Intra-aortic balloon pump has been removed . The patient had prior sternotomy for CABG with moderate cardiomegaly . Severe bilateral pleural effusion is unchanged . Pulmonary edema has slightly improved and is now moderate . There is no pneumothorax . Bibasilar atelectasis is stable .
    OUTPUT:
    
1 . Intra-aortic balloon pump has been removed . 2 . Moderate pulmonary edema has slightly improved . 3 . Bilateral severe pleural effusion is stable .