(IARC) Brit.Med.J. 1 2 3 4 19.4mSv 90% 50mSv 0.1% 500mSv 5 6 7 8 9 10 11 12 Table 2 Estimates of excess relative risk per Sv (95% confidence interval) for all cancers excluding leukaemia, solid cancers, and leukaemia excluding chronic lymphocytic leukaemia, for nuclear workers and survivors of A bomb in Japan 1.5 (-1.14 to 5.33) Linear quadratic model 3.15 (1.58 to 5.67) 83 1.93 (<0‡ to 8.47) 196