Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , PA and lateral . The lungs are clear . Nodular opacities over the lung bases most consistent with nipple shadows . A large hiatal hernia is redemonstrated . Otherwise , the hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Large hiatal hernia .