Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lung is clear . Patient is status post left lower lobectomy . There is elevation of the left hemidiaphragm , unchanged . Retrocardiac and lateral left basilar opacity laterally is not definitely changed and may be due to scarring . There is no focal consolidation or pneumothorax . The cardiomediastinal silhouette is unchanged . There are calcifications of the aortic knob . The bones are again notbale for thoracotomy chages , left 6th rib not seen posteriorly .
    OUTPUT:
    
No defintie acute cardiopulmonary process .