Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There is mild pulmonary vascular congestion without overt ischemia . There is no focal consolidation or pneumothorax . Moderate cardiomegaly stable . Median sternotomy wires are intact .
    OUTPUT:
    
No significant change from the prior exam . Mild pulmonary vascular congestion without overt edema .