Survival analysis of cholangiocarcinoma: A 10-year experience in Malaysia

Table 3 Tumour histology, degree of differentiation, diameter, margin, perineural and lymph node involvements by tumour location n (%)

	Total	Intrahepatic	Perihilar	Distal	P
	(n = 12)	(n = 3)	(n = 6)	(n = 3)	value1
Tumour histology
Adenocarcinoma	11 (92)	2 (18%)	6 (55%)	3 (27)
Other	1 (8)	1 (100%)	0	0
Degree of differentiation
Well	5 (42)	2 (40%)	2 (40%)	1 (20)
Moderate	6 (50)	1 (17%)	3 (50%)	2 (34)
Poor	1 (8)	0	1 (100%)	0
Tumour diameter, cm
Size, mean ± SD	9.6 ± 15.2	27.1 ± 24.3	2.8 ± 2.2	5.7 ± 15.2	0.0481
Margin
Negative	7 (58)	3 (43)	3 (43)	1 (14)
Positive	5 (42)	0	3 (60)	2 (40)
Lymph node involvement
Negative	8 (67)	2 (25)	4 (50)	2 (25)
Positive	4 (33)	1 (25)	2 (50)	1 (25)
Perineural involvement
Negative	5 (42)	3 (60)	2 (40)	0
Positive	7 (58)	0	4 (57)	3 (43)
Lymphovascular invasion
Negative	7 (58)	2 (29)	4 (57)	1 (14)
Positive	5 (42)	1 (20)	2 (40)	2 (40)

¹Analysis of variance. P value < 0.05 is significant.