Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is minimal atelectatic change at the left lung base , otherwise the lungs are clear . No pleural effusion or pneumothorax . Hilar and cardiomediastinal contours are normal . Pneumoperitoneum is noted on the lateral view .
    OUTPUT:
    
1 . Pneumoperitoneum is noted on the lateral view . Correlation is recommended with recent intra-abdominal procedure . 2 . No pneumonia .