Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrates well expanded and clear lungs . The cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . There is mild scoliosis of the thoracolumbar spine .
    OUTPUT:
    
No acute cardiopulmonary process .