Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to prior study from ___ . There has been worsening of the pulmonary edema since the previous study , there is a cardiomegaly and increased size of the vascular pedicle . There are more confluent opacities within the lung bases that is likely due to pulmonary edema ; however , underlying infiltrate is not entirely excluded . No pneumothoraces are seen .
    OUTPUT:
    
Marked worsening of the pulmonary edema .