Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . The lungs are well expanded . Biapical scarring is unchanged . There is no focal consolidation , effusion or pneumothorax . Moderate cardiomegaly is stable . Multilevel thoracic spine degenerative changes are unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .