Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . The lungs are overinflated with flattened hemidiaphragms , consistent with small airways disease or emphysema . There is no focal consolidation concerning for pneumonia . There is no pulmonary edema .
    OUTPUT:
    
No acute cardiopulmonary process .