Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed . The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . Lungs are well expanded without focal consolidation concerning for pneumonia . Mild interstitial abnormality is likely chronic and most commonly seen in cigarette smokers or asthmatics . There is no pneumoperitoneum .
    OUTPUT:
    
No pneumoperitoneum or other acute process .