Table 2 Associations between immunostaining for beta-catenin and tumour class, stage, grade and histological subtype of RCC.

Tumour class (T)

1 (n = 71)

5 (7%)

66 (93%)

36 (51%)

35 (49%)

2 (n = 11)

2 (18%)

9 (82%)

2 (18%)

9 (82%)

3 (n = 59)

6 (10%)

53 (90%)

24 (41%)

35 (59%)

4 (n = 6)

0 (0%)

6 (100%)

3 (50%)

3 (50%)

Stage

I (n = 66)

5 (8%)

61 (92%)

34 (52%)

32 (48%)

II (n = 11)

2 (18%)

9 (82%)

2 (18%)

9 (82%)

III (n = 51)

5 (10%)

46 (90%)

21 (41%)

30 (59%)

IV (n = 19)

1 (5%)

18 (95%)

8 (42%)

11 (58%)

Grade

I (n = 5)

0 (0%)

5 (100%)

2 (40%)

3 (60%)

II (n = 80)

6 (7%)

74 (93%)

46 (58%)

34 (42%)

III (n = 38)

2 (5%)

36 (95%)

9 (24%)

29 (76%)

IV (n = 22)

4 (18%)

18 (82%)

8 (36%)

14 (64%)

Histological subtype of RCC

clear cell (n = 130)

10 (8%)

120 (92%)

58 (45%)

72 (55%)

papillary (n = 10)

1 (10%)

9 (90%)

4 (40%)

6 (60%)

chromophobic (n = 5)

1 (20%)

4 (80%)

3 (60%)

2 (40%)

undifferentiated (n = 2)

1 (50%)

1 (50%)

0 (0%)

2 (100%)