Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evaluation is slightly limited due to patient rotation . The cardiac silhouette size is normal . The mediastinal and hilar contours are within normal limits . The pulmonary vascularity is not engorged . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . There are mild multilevel degenerative changes noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .