Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . Prominence of the right supracardiac mediastinal border may reflect enlargement of the ascending aorta . The cardiac and hilar contours are within normal limits . No acute osseous abnormality is detected . Orthopedic screws are noted in the left humeral head .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Prominence of the right supracardiac mediastinal border may reflect enlargement of the ascending aorta .