Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiographs , the pulmonary vasculature markings are more indistinct , with mild cardiomegaly and ___ B - lines . A right basilar opacification is likely due to asymmetric pulmonary edema and atelectasis , but a concurrent right lower lobe pneumonia is not excluded . There is no pneumothorax . Median sternotomy wires are intact , and multiple mediastinal surgical clips are unchanged in position .
    OUTPUT:
    
1 . Interval development of pulmonary edema . 2 . Right basilar opacification is likely due to asymmetric pulmonary edema and atelectasis . However , a concurrent right lower lobe pneumonia can not be excluded .