Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , the pulmonary edema has improved . Mild pulmonary edema persists . There is bibasilar atelectasis , more prominent at the right base . There is no pleural effusion or pneumothorax . Moderate cardiomegaly is unchanged . The mediastinal contours are unremarkable . A left internal jugular hemodialysis catheter terminates at the atriocaval junction . Sternal wires are intact . Mediastinal clips are unchanged .
    OUTPUT:
    
1 . Improving pulmonary edema . Mild edema persists . 2 . Stable moderate cardiomegaly .