Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates well expanded , clear lungs . Cardiomediastinal and hilar contours are unchanged . Nasogastric tube courses into the stomach and out of the field of view . Right - sided PICC line ends at the cavoatrial junction . No pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .