Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Aortic knob is calcified . Moderate size hiatal hernia is again noted . Coronary artery stent is re - demonstrated . Pulmonary vascularity is normal . The lungs are clear . No pleural effusion or pneumothorax is present . No acute osseous abnormalities seen .
    OUTPUT:
    
No acute cardiopulmonary process . Moderate size hiatal hernia .