Table 1 The character of cystic renal cell carcinoma

Age at the time of diagnosis (yr)

Median

56

Range

24-83

Sex

Female

21

31

Male

46

69

Side

Left

32

48

Right

35

52

Pole

Upper pole

24

36

Lower pole

28

42

The remaining

15

22

Surgery

Open radical nephrectomy

19

28

Open partial nephrectomy

12

18

Laparoscopic radical nephrectomy

9

13

Laparoscopic partial nephrectomy

20

30

Two operations

7

10

Fuhrman nuclear grade

I

52

78

I-II

12

18

II

3

5

TNM stagea

T1a

25

37

T1b

35

52

T2a

7

10