Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs remain hyperinflated with emphysematous changes again noted most pronounced at the apices . The cardiac , mediastinal and hilar contours are unchanged , with the heart size within normal limits . The aorta is diffusely calcified . There is no pulmonary edema , focal consolidation , pleural effusion or pneumothorax . Linear opacities within the right upper lobe peripherally and left lung base are compatible with areas of subsegmental atelectasis and / or scarring . Pleural parenchymal scarring is also noted within the apices bilaterally . Moderate multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .