Annexin A1: A new immunohistological marker of cholangiocarcinoma

Table 1 Clinical-pathological variables and the expression status of annexin A1 in cholangiocarcinoma tissues

Variables	Annexin A1			P value
	Low	High	Total
Age (yr)				0.328
≤ 56	11	16	27
> 56	12	29	41
Gender				0.487
Male	15	33	48
Female	8	12	20
Histopathologic feature				0.033
Tubular type	7	26	33
Papillary type	16	19	35
The intrahepatic location				0.197
Peripheral	11	16	27
Hilar	11	29	40
Gallbladder bed	1	0	1
Tumor size (cm)				0.889
< 3	5	10	15
3-6	10	17	27
> 6	8	18	26
Gross type				0.244
Mass forming	10	28	38
Periductal infiltrating	6	9	15
Intraductal	7	7	14
Lymph node metastasis				0.382
Absent	7	21	28
Present	11	20	31

When the sum of subset numbers does not match patient totals, data were missing or unavailable.