Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is minimal linear atelectasis . The lungs are otherwise clear . Heart is top - normal in size . The aorta is tortuous with calcification noted at the arch . Right paratracheal opacity is stable since ___ without mass effect on the trachea . There is no pleural effusion or pneumothorax . Surgical clips are noted in the right upper quadrant .
    OUTPUT:
    
No evidence of pneumonia .