322 / 1109
Relative risk
Lung cancer
n=631,021
Esophageal cancer
n=413,650
Thyroid cancer
n=322,461
≥ 5 years
1.39
(1.28-1.51)
1.53
(1.01-2.31)
0.96
(0.59-1.57)
≥ 10 years
1.59
(1.39-1.81)
1.56
(1.03-2.38)
1.53
(0.69-3.39)
≥ 15 years
1.66
(1.36-2.01)
2.17
(1.11-4.25)
2.21
(0.64-7.61)
Risk of lung and esophageal cancer:
•
increased after breast radiotherapy
•
increased by time following breast cancer diagnosis
•
Increased with delivered Gy
However,
no information about age, smoking, chemotherapy, irradiated volumes
older radiotherapy techniques