|
Characteristic
|
Value (%)
|
|---|
|
Age, y
|
|
Median
|
51
|
|
Range
|
19–80
|
|
Sex
|
|
Female
|
23 (61)
|
|
Male
|
15 (39)
|
|
Tumor stage (Bhattachyryya 2004)
|
|
Stage 1
|
5 (13)
|
|
Stage 2
|
5 (13)
|
|
Stage 3
|
5 (13)
|
|
Stage 4
|
23 (61)
|
|
UICC Characteristics of stage 4 tumors
|
23
|
|
T stage
|
|
T1
|
0 (0)
|
|
T2
|
0 (0)
|
|
T3
|
2 (9)
|
|
T4
|
21 (91)
|
|
N stage
|
|
N0
|
16 (70)
|
|
N1
|
4 (17)
|
|
No data
|
3 (13)
|
|
M stage
|
|
M0
|
18 (78)
|
|
M1
|
5 (22)
|
|
N1 + M1
|
1 (4)
|
|
Treatment
|
|
Surgery
|
7 (18)
|
|
Radiation therapy
|
18 (47)
|
|
C12
|
6 (33)
|
|
Photons
|
12 (67)
|
|
Surgery and radiation therapy
|
13 (34)
|
|
C12
|
1 (8)
|
|
Photons
|
12 (92)
|
|
No treatment
|
1 (3)
|
|
Resection status
|
|
R0
|
9 (45)
|
|
R1
|
10 (50)
|
|
R2
|
1 (5)
|
- Abbreviations: C12 carbon ions
