Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen are extensive bilateral pulmonary opacities with some improvement in aeration of the right lung compared to the prior exam . Although this may be due to asymmetric pulmonary edema , pneumonia can not be excluded . A right internal jugular central line terminates at the mid SVC . The heart remains severely enlarged . The left pleural effusion has resolved .
    OUTPUT:
    
1 . Persistant bilateral pulmonary opacities with improved aeration in the right lower lobe . This may be due to asymmetric pulmonary edema ; however , pneumonia can not be excluded . 2 . Resolution of the left pleural effusion .