Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the study of ___ , there has been substantial increase in engorgement of indistinct pulmonary vessels , consistent with pulmonary edema . The cardiac silhouette is more prominent , though overall visibility is somewhat hampered by scattered radiation related to the size of the patient .
    OUTPUT:
    
Worsening pulmonary edema .