Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen moderate to severe pulmonary edema , somewhat improved since the prior study , but persistent . There is a moderate right pleural effusion again seen with overlying atelectasis . Minimal to no left pleural effusion is seen . No pneumothorax . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Moderate to severe pulmonary edema , although improved since the prior study , underlying infectious process not excluded . Moderate right pleural effusion with overlying atelectasis again seen .