Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bedside upright AP radiograph of the chest demonstrates clear lungs . There is no pneumothorax or pleural effusion . There is no evidence of pneumomediastinum . The hilar and cardiomediastinal contours are normal . Pulmonary vascular markings are normal .
    OUTPUT:
    
Normal radiograph of the chest without evidence of pneumothorax , pneumomediastinum , or other immediate post - procedural complication .