Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is stable comapred to exams dated back to ___ . There is mild pulmonary vascular congestion ; otherwise , the hilar and mediastinal contours are normal . There is mild - to - moderate pulmonary edema . There is no large pleural effusion . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Mild - to - moderate pulmonary edema slightly increased compared to the prior exam from ___ .