Surgery done on 17 oct 2016 (Mandibulectomy) left mandibles.2 cycles of chemo cisplatin & 5-FU. first radiation on 6 Dec is planned. Quite confused about radiation technique, Cobalt 60 or linear accelarator which one to use.In my current hospital cobalt 60 is available and my oncologist told there is not much more difference between two.Please suggest.