Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were compared to previous exam from ___ . There has been no significant interval change . Again seen is cephalization of the pulmonary vasculature . Bibasilar opacities are again seen , potentially due to atelectasis or edema , however , infiltrate is not excluded . There is slight blunting of the posterior costophrenic angles , raising possibility of trace effusions . Cardiac silhouette is enlarged but stable . Osseous structures are unchanged .
    OUTPUT:
    
No significant interval change of pulmonary vascualr congestion . Bibasilar opacities , potentially atelectasis or edema however developing infiltrates are also possible . Clinical correlation suggested .