The Utility of Preoperative Vascular Grading in Patients Undergoing Surgery First for Pancreatic Cancer: Does Radiologic Arterial or Venous Involvement Predict Pathologic Margin Status?

Table 1

Patient demographics and characteristics.

	N	%
Gender
Female	76	55.5
Male	61	44.5
Age
38-49	7	5.1
50-59	17	12.4
60-69	42	30.7
70-79	53	38.7
80-84	18	13.1
Ishikawa staging
I: normal portal vein confluence	84	61.3
II: smooth shift	23	16.8
III: unilateral narrowing	15	10.9
IV: bilateral narrowing	12	8.8
Unknown	3	2.2
Arterial staging
i: clean	71	51.8
ii: dirty fat	15	10.9
iii: abutment	10	7.3
Unknown	41	29.9
Operation
Distal Pancreatectomy	1	0.7
Total Pancreatectomy	1	0.7
Total Pancreatectomy, SMV recon	1	0.7
Pancreatoduodenectomy	116	84.7
Pancreatoduodenectomy, HA recon	2	1.5
Pancreatoduodenectomy, PV recon	4	2.9
Pancreatoduodenectomy, SMA recon	1	0.7
Pancreatoduodenectomy, SMV recon	11	8.0
Adjuvant Therapy
No	24	17.5
Yes	109	79.6
Unknown	4	2.9
Positive lymph nodes
No	36	26.3
Yes	100	73.0
Unknown	1	0.7
CA 19-9
<50	39	28.5
50-250	41	29.9
>250	56	40.9
Unknown	1	0.7