Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , PA and lateral , upright . The lungs are clear . The hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal . There is no evidence of pneumoperitoneum .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No evidence of pneumoperitoneum .