Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Median sternotomy wires are seen in appropriate position . The left biventricular pacemaker and AICD leads are in appropriate position . The lungs are clear . There are no focal parenchymal opacities . No pleural effusion or pneumothorax . Cardiomegaly is stable .
    OUTPUT:
    
No evidence of pneumonia . No acute cardiopulmonary abnormality .