Table 2 Patient characteristics

Male/Female

25/8

Age, years: median (range)

66 (55--82)

Performance status (ECOG)

0/1/2

6/21/6

Stage (UICC 1997)

I*

6

IIA/B

3/3

III

15

IVA/B

3/3

TNM clinical classification (UICC 1997)

T1/T2/T3/T4

7/3/12/11

N0/N1

10/23

M0/M1 lym

27/6

Pathology

Well/Mod/Poor

4/25/4

Location

Upper/Middle/Lower

3/19/11