Treatment modality

n

%

Median radiotherapy dose 70 Gy (10.8 – 74.0 Gy)

Radiation technique  Intensity modulated radiotherapy (IMRT)  3-dimensional conformal radiotherapy (3D)  3D and IMRT combined

26 101 6

19.5% 75.9% 4.5%

Chemotherapy Cisplatin Carboplatin + Paclitaxel Cetuximab Carboplatin + 5-Flurouracil Cisplatin + Cetuximab Paclitaxel Carboplatin Cisplatin + Paclitaxel Cisplatin + 5-Flurouracil Gemcitabine 5-Flurouracil

84 18 9 5 5 4 3 2 1 1 1

63.2% 13.5% 6.8% 3.8% 3.8% 3.0% 2.3% 1.5% 0.8% 0.8% 0.8%