00_MJ_Intro_Budapest16.pptx

1165 / 1173

2nd cancers after RT of cervix Ca
Site of
second
cancer
Radiation dose
(Gy)
Number of 2nd
cancers after
radiotherapy/surgery
Relative risk afte r
>10 years
Rectum 30–60 274 / 33 2 after 10 y
4 after 30 y
Colon 2 4 296 / 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