Table 4 Association of CD3+ and CD8+ TILs to histological parameters using the χ² Pearson test

Histological subtype

Common (n = 19)

6

13

0.7

9 10

0.05

Variant (n = 11)

5

6

1 10

In situ carcinoma

Absence (n = 25)

11

14

0.1

8 17

0.6

Presence (n = 5)

0

5

2 3

Vascular invasion

Absence (n = 13)

3

10

0.3

1 12

0.02

Presence (n = 17)

8

9

9 8

Stage pT

pT1 (n = 9)

4 5

0.7

4 5

0.4

≥ pT2 (n = 21)

7 14

6 15

Lymph node extension

No (n = 12)

6

6

0.2

5 7

0.4

Yes (n = 13)

3

10

3 10