Table 1.

Patient characteristics and treatment data

Variable	Item	Case	(%)
Age, years	<60	96	78.0
	≥60	27	22.0
Sex	Male	97	78.9
	Female	26	21.1
Tumour classification	T1	12	9.8
	T2	24	19.6
	T3	53	43.1
	T4	34	27.5
Nodal classification	N1	28	22.8
	N2	78	63.4
	N3	17	13.8
Stage group	II	11	8.9
	III	64	52.0
	IVa	31	25.2
	IVb	17	13.9
Pathological type	Type 1	2	1.6
	Type 2.1	66	53.7
	Type 2.2	55	44.7
Chemotherapy	Yes	104	84.6
	Induction + concurrent	11	10.6
	Concurrent alone	93	89.4