Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly is re- demonstrated . The mediastinal contours are unchanged . There is persistent perihilar haziness and vascular indistinctness compatible with moderate pulmonary edema , similar compared to the previous exam . No focal consolidation , large pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Moderate pulmonary edema .