Table 1 Patient and clinical characteristics

Total Number of Patients

34

Age

 Median (range)

68 (27–84)

Sex

 Male

20 (59 %)

 Female

14 (41 %)

KPS

 Median (range)

90 (60–100)

Histology

 Clear Cell

48 (91 %)

 Papillary

4 (7 %)

 Not Otherwise Specified

1 (2 %)

Treatment Patterns

 Treated with SBRT

36 (68 %)

  25 Gy/1 fx

2

  30 Gy/2 fx

1

  54 Gy/4 fx

1

  24–60 Gy/3 fx

15

  25–50 Gy/5 fx

14

  40 Gy/8 fx

1

  50 Gy/10 fx

2

 Treated with CF-EBRT

17 (32 %)

  20 Gy/5 fx

5

  32 Gy/8 fx

1

  30–40 Gy/10 fx

8

  45 Gy/13 fx

1

  45 Gy/15 fx

1

  55 Gy/22 fx

1