Abstract P3-08-05: Impact of estrogen receptor levels on outcome in triple negative breast cancer patients treated with (neo)adjuvant chemotherapy

Background: Although 1% is recommended by guidelines as cut-off for estrogen receptor (ER) positivity, the 10% cut-off is often used in clinical practice based on studies showing that breast cancers with ER ≥1% & Citation Format: Gaia Griguolo, Maria Vittoria Dieci, Michele Bottosso, Vassilena Tsvetkova, Carlo Alberto Giorgi, Silvia Angelini, Giulia Tasca, Enrico Cumerlato, Marcello Lo Mele, PierFranco Conte, Valentina Guarneri. Impact of estrogen receptor levels on outcome in triple negative breast cancer patients treated with (neo)adjuvant chemotherapy [abstract]. In: Proceedings of the 2019 San Antonio Breast Cancer Symposium; 2019 Dec 10-14; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2020;80(4 Suppl):Abstract nr P3-08-05.