Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiac size is normal . Mild rightward deviation of the trachea may be due combination of kyphosis and mild dextroscoliosis . Moderate kyphosis and degenerative changes are noted . A hiatal hernia is again visualized , but appears much smaller than in prior exams . No pulmonary edema , pleural effusion , pneumothorax , or pneumonia .
    OUTPUT:
    
1 . Redemonstrated hiatal hernia appears much smaller than on prior exams . Otherwise , no acute cardiopulmonary process .