Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest demonstrate clear lungs . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal . The hilar and cardiomediastinal contours are normal . The Hickman catheter positioning is unchanged , with the catheter tip terminating in mid SVC .
    OUTPUT:
    
Normal radiograph of the chest .