Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unchanged with prominence of the superior mediastinum compatible with lipomatosis as seen on the previous CTA chest . Lungs are clear and the pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is identified . No acute osseous abnormalities present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .