Supplemental material, sj-zip-1-smm-10.1177_09622802211008945 for A competing risks model with binary time varying covariates for estimation of breast cancer risks in BRCA1 families by Yun-Hee
Background The optimal approach to B3 lesions is controversial, and the risk of malignant upgrade varies between studies. This study aimed to evaluate the factors affecting the risk of upgrading to br