Vascular resection in pancreatic adenocarcinoma with portal or superior mesenteric vein invasion

Table 1 Comparison of characteristics between the two groups

Demographics	SMV/PVR ≤3 cm	SMV/PVR > 3	P value
	(n = 28)	cm (n = 30)
Sex (M/F)	21/7	20/10	0.082
Age (yr)	64 (range 31-78)	58 (range 38-77)	0.063
Tumor size (cm)	3.1 (range 2-6)	3.7 (range 3-7)	0.051
Tumor stage			0.056
I	5	2
II	16	6
III	7	22
IV	0	0
Curability			0.067
R0	26	22
R1+	2	8
Depth of venous involvement			0.032
Tunica adventitia	4	2
Tunica media	14	12
Tunica intima	10	16
Lymph node invasion	25%	73%	0.043
Operative time (min)	435	477	0.064
Blood loss (mL)	300	383	0.071
Transfusion (mL)	85.7	166.7	0.084

SMV/PVR: Superior mesenteric vein/portal vein resection.