Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are within normal limits . The pulmonary vasculature is normal . Radiation fibrotic changes within the left upper lobe are unchanged compared to the previous exam . No focal new focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormality is seen . Remote left - sided rib fractures are noted .
    OUTPUT:
    
No acute cardiopulmonary process .