Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded , with biapical hyperlucency and widening of the intercostal spaces . Moderate cardiomegaly persists , with a tortuous and calcified aorta . New mild pulmonary edema with central venous congestion , interstitial prominence , and scattered Kerley B lines . No significant pleural effusions . The bones are diffusely demineralized , with multilevel degenerative changes .
    OUTPUT:
    
1 ) Chronic obstructive airways disease . 2 ) Mild pulmonary edema .