Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided chest tube is noted . No pneumothorax is detected . There are low inspiratory volumes , with bibasilar atelectasis , including patchy retrocardiac opacities , similar to prior . Mild vascular plethora is unchanged , likely accentuated by low inspiratory volumes . No gross effusion . Spinal fixation hardware is again noted , similar in configuration , not fully evaluated on this study .
    OUTPUT:
    
Chest tube present at right lung base . No pneumothorax detected .