Table 2. Patient characteristics.

Characteristics	Number of patients	%
Age (years)
Median	59
Range	51–74
Gender
Male	9	43
Female	12	57
Karnofsky performance status
100	12	57
90	8	38
80	1	5
Tumour location
Head	13	62
Body-tail	8	38
Maximum tumour size (mm)
Median	37
Range	25–60
CEA (ng/ml)
Median	4.5
Range	1.0–75.0
CA19-9 (U/ml)
Median	759
Range	1–6,300

CEA=carcinoembryonic antigen; CA19–9=carbohydrate antigen 19–9.