Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Post CABG changes stable . Slight interruption of the second from superior sternal wire . Heart size normal . Normal hila . Atherosclerotic changes of the aortic arch . No airspace consolidation . No pleural effusions . No pneumothorax . No pleural thickening . Spondylotic changes of the thoracic spine .
    OUTPUT:
    
No features of pneumonia .