747 / 815
RT Dose
•
Radical RT:
70 Gy/35#
(2 Gy/#) 5#/wk
To all sites of disease (Primary and LN)
•
Post Op RT:
60 Gy/30#
If Positive margin boost 6 Gy/3# to tumour bed
•
Elective nodal irradiation instead of neck dissection with
50Gy/25
#
in 5 wks, can achieve local control rates of 90 %