2046-2047 / 2063
2nd cancers after RT of cervix Ca
Site of
second
cancer
Radiation dose
(Gy)
Number of 2
nd
cancers after
radiotherapy/surgery
Relative risk after
>10 years
Rectum
30–60
274 / 33
2 after 10 y
4 after 30 y
Colon
24
296 / 56
no increase
Bladder
30–60
265 / 23
>2 after 10 y
6 after 30 y
Stomach
2
143 / 19
1.2
Lung
0.3
276 / 91
no increase
Breast
0.3
366 / 114
decrease 20–40%
after 10 y and 30 y
Leukaemia
4.5
82 / 15
2
Kleinerman RA et al.
Cancer
1995;76:442-52