Table 2.

FAS immunohistochemical expression in pancreatic ductal adenocarcinoma

Variables	FAS expression		Total	P
	No/weak expression	Strong expression
Differentiation				0.68
Well	9	3	12
Moderate	151	49	200
Poorly	122	51	173
Tumor extension				0.49
Localized (pT1 & pT2)	12	5	17
Extended (pT3)	270	98	368
Lymph node metastasis				0.32
Absent	46	14	60
Present	236	89	325
Vascular invasion*				0.002†
Absent	145	31	176
Present	128	60	188
Perineural invasion				0.53
Absent	24	6	30
Present	258	97	355

^*Evaluation for vascular invasion was available 364 of 385 patients.

^†Significant at the level of <0.05.