2054-2055 / 2063
2nd cancers after RT of breast Ca
Darby SC et al.
Lancet Oncol
2005;6:557-65
Duration of
follow-up
(years)
Number of second cancers
Lung cancer
mortality
ratio
Ipsilateral
Contralateral
<10
161
134
1.2
10–15
65
44
1.5
>15
57
21
2.7
Ipsilateral and contralateral second lung cancers in patients
treated with post-operative radiotherapy of breast cancer, 1973-2001