Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is top normal . The mediastinal and hilar contours are unremarkable . Pulmonary vascularity is not engorged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is identified . There are multilevel degenerative changes in the thoracic spine with osteophyte formation .
    OUTPUT:
    
No acute cardiopulmonary process .