Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . The aorta is unfolded . Mediastinal and hilar contours are relatively unchanged with fullness of the right hilum again be demonstrated . There is hyperinflation of the lungs with attenuation the pulmonary vascular markings towards the lung apices compatible with underlying emphysema . Streaky bibasilar airspace opacities are noted which appear slightly progressed in the interval , likely reflecting areas of atelectasis . No pleural effusion or pneumothorax is identified . There are mild degenerative changes in the thoracic spine .
    OUTPUT:
    
Progressive streaky opacities in the lung bases likely reflective of worsening atelectasis . No focal consolidation . Emphysema .