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Table 3 Lifetime risk of secondary cancers for various breast radiotherapy techniques using the likelihoods from the National Council on Radiation Protection and Measurements (NCRP) Report 116 Table 7.2, page 32.

From: Doses to internal organs for various breast radiation techniques - implications on the risk of secondary cancers and cardiomyopathy

Cancer type Probability (%/Sv) PBSI HDR (catheters) Wedge IMRT 3D-CRT
Breast 0.20 0.00% 0.05% 0.34% 0.04% 0.03%
Lung 0.85 0.67% 2.10% 0.49% 0.10% 0.07%