It is sensitive neither to chemotherapy, nor to radiation therapy. It has a recurrence rate of 25%, which is why X-rays must be taken annually as follow-up for the following 10 years.
No es sensible a la quimioterapia, ni a la radioterapia y puede recidivar en el 25 % de los casos; por lo tanto, se debe efectuar un seguimiento radiológico anual durante 10 años.