Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate fractured lower three median sternotomy wires which are unchanged from ___ . Compared to the prior radiograph , there is increase in airspace opacity at the right lung base , consistent with pneumonia . The remainder of the lungs is unchanged from the prior radiograph . The cardiac contour is slightly enlarged , unchanged from the prior radiograph . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Right lower lobe pneumonia .