Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study performed ___ there has been interval increase in bilateral diffuse interstitial markings consistent with worsening vascular congestion . Moderate cardiomegaly is unchanged . There is no pleural effusion or pneumothorax . Soft tissues and bones are unremarkable .
    OUTPUT:
    
Compared to the ___ study , the pulmonary edema has increased .