Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Pulmonary vasculature is not engorged . Curvilinear opacity in the right apex appears unchanged compared to the prior exams , compatible with an area of scarring as seen on the prior CT . No new focal consolidation , pleural effusion or pneumothorax is present . Multilevel degenerative changes are demonstrated in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .