Table 1 Patient, tumor, and treatment characteristics

Age (years)

Median (range)

63 (41–88)

Gender

Male

39 (40%)

Female

59 (60%)

HIV status

Negative

94 (96%)

Positive

3 (3%)

Unknown

1 (1%)

T stage

1/is

19 (19%)

2

45 (46%)

3

29 (30%)

4

5 (5%)

N stage

0

57 (58%)

1

16 (16%)

2

16 (16%)

3

9 (9%)

TNM staging

I

18 (18%)

II

39 (40%)

IIIa

15 (15%)

IIIb

26 (27%)

Maximum tumor size (mm)

Mean (SD, range)

46 (24, 7–140)

Radiotherapy technique

3D, seq. boost

28 (29%)

3D, electron boost

3 (3%)

Electron

23 (24%)

IMRT, seq. boost

3 (3%)

IMRT, electron boost

1 (1%)

IMRT, SIB

13 (13%)

VMAT

27 (28%)

Concurrent chemotherapy

Yes

63 (64%)

No

35 (36%)