Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac , hilar and mediastinal silhouettes are unremarkable . The aorta is tortuous . A large hiatal hernia is noted .
    OUTPUT:
    
1 . No evidence of hilar or mediastinal lymphadenopathy . 2 . Large hiatal hernia .