Table 1 Patient and tumor characteristics

Age, y, median (range)

68 (44–86)

Sex, n (%)

 Male

3 (33.3)

 Female

6 (66.7)

ECOG^a performance status, n (%)

 0

3 (33.3)

 1

6 (66.7)

Tumor size, mm, median (range)

34 (21–60)

Tumor invasion, n (%)

 Celiac artery

8 (88.9)

 Common hepatic artery

9 (100)

 Superior mesenteric artery

1 (11.1)

 Splenic artery

9 (100)

 Portal vein

6 (66.7)

 Splenic vein

8 (88.9)

 Anterior peripancreatic tissue

5 (55.6)

 Posterior peripancreatic tissue

9 (100)

UICC TNM classification^b, n (%)

 T4N0M0

4 (44.4)

 T4N1M0

5 (55.6)

Postoperative serum laboratory data

 Albumin g/dl, median (range)

4.0 (3.7–4.4)

 Pancreas-amylase IU/I, median (range)

47 (8–172)

 Lipase IU/I, median (range)

33 (15–138)

 CEA ng/ml, median (range)

2.0 (0.8–5.1)

 CA19-9 U/ml, median (range)

127 (1–3267)