Table 1. Patient characteristics of 129 eligible patients.

Characteristic	Number of patients
Sex
Male	83
Female	46
Age (years)
Median	63
Range	23–74
PS status
0	107
1	22
Pathological stagea
IIA	17
IIB	32
IIIA	80
Histological type
Adenocarcinoma	100
Squamous cell carcinoma	25
Others	4

Abbreviations: PS=performance status; TNM=tumour-node-metastasis.

^aPathological stage was based on the Union Internationale Contre le Cancer fifth TNM edition.