Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there has been no significant change . The cardiac silhouette remains enlarged . There is calcification of the aortic knob . There is mild pulmonary edema . No large effusions are identified . There is no focal consolidation or pneumothorax .
    OUTPUT:
    
Cardiomegaly and mild pulmonary edema .