Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment is limited by positioning and the patient 's chin obscuring the medial aspect of the lung apices . Heart size is normal . Mediastinal and hilar contours are unremarkable . Lungs are hyperinflated compatible with COPD without focal consolidation . Increased interstitial opacities are unchanged , likely reflective of chronic interstitial abnormality . No pleural effusion or pneumothorax is identified . There are mild degenerative changes seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality . COPD .