Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated suggesting emphysema . No focal opacities are seen . Multiple areas of calcification projecting over the left lower lung represent calcified rib cartilages . Mild cardiomegaly is unchanged . The aorta is tortuous with atherosclerotic calcifications of the aortic knob . There is no pleural effusion or pneumothorax . A large hiatal hernia is redemonstrated .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . Stable mild cardiomegaly and large hiatal hernia .