Human papillomavirus does not have a causal role in colorectal carcinogenesis

Table 1 Clinical-pathological features of colorectal cancer patients n (%)

Clinical-pathological features	Value
Sex n = 62
M	41 (66.1)
F	21 (33.9)
M/F	1.95
Age (yr) n = 62
Mean ± SD	70.4 ± 11.3
Median	72
Range	38-92
Localizations n = 65
Rectum	13 (20.0)
Sigmoid	21 (32.3)
Transverse	6 (9.2)
Right	25 (38.5)
Stage-AJCC 9thn = 65
I	14 (21.5)
II	22 (33.9)
	IIa 20-IIb 2
III	27 (41.5)
	IIIa 2-IIIb 20-IIIc 5
IV	2 (3.1)
T stage n = 65
T1	6 (9.2)
T2	10 (15.4)
T3	41 (63.0)
T4	8 (12.4)
N stage n = 65
N0	36 (55.4)
N1	19 (29.2)
N2	10 (15.4)
Grading n = 65
G1	5 (7.7)
G2	20 (30.8)
G3	40 (61.5)
V/L/N1 n = 27
0	4 (14.8)
1	22 (81.5)
2	1 (3.7)
Lymph node harvest n = 65
Mean ± SD	21.0 ± 11.5
Median	19
Range	6-72
Metastatic nodes n = 65
Mean ± SD	2.7 ± 6.1
Median	0
Range	0-30
Lymph node ratio n = 65
Mean ± SD	0.11 ± 0.2
Median	0
Range	0-0.88

¹V/L/N: Perivascular/lymphovascular/perineural invasion.