Description of the radiation and breast cancer cohort Variable name Description Codes/range --------------------------------------------------------------------------- id Subject ID 1-3372 tyr Year start TB treatment (19)12-54 dose Estimated breast dose (Gy) 0-6.433 nof Number of fluoroscopies 0-833 bc Breast cancer diagnosis 0=No, 1=Yes age.rx Age at first TB treatment 0.09-65.55 age.out Age at exit from cohort 8.31-93.23 age.in Age at entry to cohort 2.34-65.80