Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly , not significantly changed from prior examination . There is mild pulmonary vasculature congestion . There is no focal consolidation , pleural effusion or pneumothorax . Sternotomy wires are seen midline and there is evidence of mitral valve replacement .
    OUTPUT:
    
Mild cardiomegaly and mild pulmonary vascular congestion .