Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate well expanded , grossly grossly clear lungs . The cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion , pneumothorax , or focal consolidation . Visualized bony structures are within normal limits . Residual oral contrast is incidentally noted in the splenic flexure
    OUTPUT:
    
No acute cardiopulmonary process .