Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The heart is normal in size and cardiomediastinal contour is unchanged . Eventration of the right hemidiaphragm is again noted . Lungs are clear . There is no pleural effusion or pneumothorax . The sternotomy wires , coronary stent , mediastinal clips , and pacemaker leads are stable in appearance .
    OUTPUT:
    
No significant change compared to the prior examination and no evidence of pneumonia .