Table 1
Clinical features of nine kindreds with familial clear cell renal cell carcinoma
Kindred
No affected with RCC
Generations involved
Mean age
RCC aged <50 y
RCC aged >50 y
A
4
2
28
4
0
B
2
1
35
2
0
C
3
2
43
3
0
D
3
3
48
2
1
E
5
3
56
1
4
F
2
2
56
1
1
G
2
1
50
1
1
H
2
2
57
0
2
I
2
2
72
0
2