Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Aside from right lower lobe atelectasis , the lungs are clear . Cardiac size is within normal limits . There is no pleural effusion or pneumothorax . No pulmonary edema . A large hiatal hernia is present .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . Large hiatal hernia .