Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable supine radiograph of the chest demonstrates an endotracheal tube which terminates approximately 9 cm above the carina . This could be advanced 3 - 4 cm for more optimal positioning in the mid trachea . The orogastric tube is appropriately positioned within the stomach . The lungs are clear . The hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
1 . Endotracheal tube could be advanced 3 - 4 cm for more optimal positioning . 2 . No acute cardiopulmonary process .