Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded with biapical hyperlucency , increased anteroposterior diameter , flattening of the hemidiaphragms , and widening of the retrosternal clear space . There is new mild central venous congestion and interstitial edema . Small bilateral pleural effusions / scarring and fluid thickening of the minor fissure . New opacity has developed at the right lung base . There is biapical pleural scarring and calcification . Heart size is mildly enlarged , with calcified and tortuous aortic arch . Changes of median sternotomy , with prosthetic aortic valve , vessel markers , and mediastinal clips . There is continued fracture of the uppermost sternal wire . Bones are diffusely demineralized , with moderate arthropathy of the right acromioclavicular joint .
    OUTPUT:
    
1 . Right lower lobe aspiration or pneumonia . 2 . Congestive heart failure . 3 . Emphysema .