. Author manuscript; available in PMC: 2013 Feb 1.

Published in final edited form as: Am J Surg Pathol. 2012 Feb;36(2):235–241. doi: 10.1097/PAS.0b013e3182376e36

Table 2.

Associations between vascular invasion status and histologic characteristics of blood vessels around present vascular invasion

Histologic factors		Vascular invasion		P-value
		Absent	Present
Luminal lymphocytes (≥5)	Absent (N=128)	50 (39%)	78 (61%)	0.10
Luminal lymphocytes (≥5)	Present (N=81)	22 (27%)	59 (73%)
Luminal obstruction	Absent (N=122)	45 (37%)	77 (63%)	0.46
Luminal obstruction	Present (N=87)	27 (31%)	60 (69%)
Intimal lymphocytes (≥5)	Absent (N=139)	58 (42%)	81 (58%)	0.002^*
Intimal lymphocytes (≥5)	Present (N=70)	14 (20%)	56 (80%)
Intimal fibrosis	Absent (N=83)	38 (46%)	45 (54%)	0.007^*
Intimal fibrosis	Present (N=126)	34 (27%)	92 (73%)
Medial lymphocytes (≥5)	Absent (N=153)	57 (37%)	96 (63%)	0.19
Medial lymphocytes (≥5)	Present (N=56)	15 (27%)	41 (73%)
Medial fibrosis	Absent (N=122)	53 (43%)	69 (57%)	0.001^*
Medial fibrosis	Present (N=87)	19 (22%)	68 (78%)
Cancer cells in vascular wall	Absent (N=132)	61 (46%)	71 (54%)	<0.0001^*
Cancer cells in vascular wall	Present (N=77)	11 (14%)	66 (86%)

Significant at the level of p<0.05.