Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no pleural effusion , pneumothorax or focal airspace consolidation . The cardiac and mediastinal contours are normal . The hilar structures and pleural surfaces are unremarkable . A S - shaped scoliosis of the thoracolumbar spine is again seen . The imaged upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .