Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size and cardiomediastinal contours appear normal . Lungs are hyperinflated , similar to prior . Bilateral upward retraction of the hila is unchanged , as is biapical scarring with calcified nodules . No focal consolidation , pleural effusion , or pneumothorax . No pneumoperitoneum is identified .
    OUTPUT:
    
1 . No pneumoperitoneum . 2 . No acute cardiopulmonary process .