Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Perihilar opacity is due to pulmonary edema . Lung volumes are lower . Compared to the prior radiograph at 03 :48 , there is increased basal opacification due to moderate pleural effusions and dependent edema , though compared to 2 :02 , there is no significant change . The variation over such a short period of time is probably due to positioning and level of inspiration . Upper lobe vascular congestion and moderate cardiomegaly are stable . There is focal consolidation or pneumothorax .
    OUTPUT:
    
Moderate , bilateral pleural effusion and moderate pulmonary edema , unchanged from 02 :02 on ___ .