Table 1. Baseline characteristics.

Characteristics	n [%]
Age
Median, years [range]	63 [37-79]
≥65 years	14 [47]
Sex
Male	16 [53]
ECOG PS
0	27 [90]
1	3 [10]
International Staging System stage IV disease at primary diagnosis
Yes	30 [100]
Pancreatic primary tumor location
Head ± body	24 [80]
Tail	6 [20]
Current site(s) of metastasis
Lung	3 [10]
Liver	24 [80]
Peritoneum	3 [10]
Number of metastatic sites
1	2 [7]
2	11 [37]
≥3	17 [56]
Previous surgery
Yes	2 [7]
Biliary stent
Yes	7 [23]
CA19-9
Normal	4 [13]
Median, U/mL (range)	1,004 (0.9-100,000)