Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly is a stable . Pacer leads are in standard position . There is no pneumothorax or pleural effusion . Right pleural thickening is unchanged . The lungs appear hyperinflated . There are moderate degenerative changes in the thoracic spine . The sternal wires are aligned . Patient is status post CABG
    OUTPUT:
    
No acute cardiopulmonary abnormalities