THURSDAY, Aug. 2, 2018 — The C-509T allele in the promoter region of transforming growth factor β (TGFB1) is associated with radiation-induced breast fibrosis risk among patients with early-stage breast cancer, according to study published online July 19 in JAMA Oncology. Aaron J. Grossberg, M.D., Ph.D., from the University of Texas MD Anderson Cancer Center