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(A,B) Kaplan–Meier estimates of BCFI and ever MHT use stratified by ER status. (C,D) Kaplan–Meier estimates of BCFI and ever MHT use stratified by axillary node involvement. (E,F) Kaplan–Meier estimates of OS and ever MHT use stratified by axillary node involvement. The number of patients is indicated at each follow-up. The study is ongoing; thus, the number of patients decreases with each follow-up.
