Table 1. Baseline characteristics.

Characteristics	N (n=83)
Sex
Male	72
Female	11
Age (at diagnosis)
Median, [range] [yrs]	59 [26-82]
Tumor location
Distal	73
Non-distal	10
Histology
Adenocarcinoma	62
Squamous	21
AJCC stage
I	0
II	29
III	40
IV	14
Chemotherapy
Cisplatin/5-flourouricil	54
Carboplatin/taxotere/cetuximab	15
Carboplatin/taxotere	9
Other	5