Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size remains moderately enlarged but unchanged . The mediastinal and hilar contours are unchanged and unremarkable . The pulmonary vascularity is not engorged . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities . Multilevel degenerative changes are present within the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .