Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Lungs are clear . No focal consolidation or pleural effusion is demonstrated . 2 clips are demonstrated within the lower posterior mediastinum . Linear opacities within the left mid lung field peripherally as well as in the left lung base likely reflect areas of scarring . No acute osseous abnormalities seen .
    OUTPUT:
    
No acute cardiopulmonary process .