TABLE 1.

Patient characteristics

	No. of patients n = 50
Age (years)
Median	60
Range	34–75
Sex
Male	44
Female	6
WHO performance status
Median	1
Range	0–2
ASA classification
I	24
II	24
III	2
IV	–
Tumor location
Upper third	2
Middle third	1
Lower third	47
Histology
Adenocarcinoma	42
Squamous cell carcinoma	8