Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest PA and lateral radiograph demonstrates unremarkable mediastinal , hilar , and cardiac silhouette . The patient is status post CABG with midline sternotomy sutures . The superior two sternal wires are fractured . Dual lead left sided pacemaker . The lungs are clear . No pleural effusion or pneumothorax evident .
    OUTPUT:
    
Clear lungs . Superior two sternal wires are fractured .