Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips are again noted . The heart remains mildly enlarged . No focal consolidation , large effusion or pneumothorax . No signs of pulmonary edema or pulmonary vascular congestion . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Stable mild cardiomegaly . Otherwise unremarkable .