Hormonal Contraception. Guideline of the DGGG, OEGGG and SGGG (S3 Level, AWMF Registry Number 015/015, January 2020) (2021) Franik S, Bauersachs R, Beyer-Westendorf J, Buchholz T, Bühling K, Diener HC, Erath A, et al. Journal article Erratum: AGO Recommendations for the Surgical Therapy of the Axilla after Neoadjuvant Chemotherapy: 2021 Update (Geburtshilfe Frauenheilkd (2021) 81:10 (1112-1120) DOI: 10.1055/a-1499-8431) (2021) Friedrich M, Kühn T, Janni W, Müller V, Banys-Paluchowski M, Kolberg-Liedtke C, Jackisch C, et al. Journal article, Erratum Outpatient Induction of Labor - Are Balloon Catheters an Appropriate Method? (2021) Rath W, Stelzl P, Kehl S Journal article Pelvic Lymphadenectomy in Vulvar Cancer – Does it make sense? (2020) Woelber L, Bommert M, Prieske K, Fischer I, Zu Eulenburg C, Vettorazzi E, Harter P, et al. Journal article Update Breast Cancer 2020 Part 3 - Early Breast Cancer (2020) Huober J, Schneeweiss A, Hartkopf AD, Müller V, Lux MP, Janni W, Ettl J, et al. Journal article, Review article Treatment landscape and prognosis after treatment with trastuzumab emtansine (2020) Laakmann E, Emons J, Taran FA, Janni W, Uhrig S, Overkamp F, Kolberg HC, et al. Journal article Update Breast Cancer 2020 Part 4 – Advanced Breast Cancer (2020) Tesch H, Müller V, Wöckel A, Ettl J, Belleville E, Schütz F, Hartkopf A, et al. Journal article, Review article HLA-J, a Non-Pseudogene as a New Prognostic Marker for Therapy Response and Survival in Breast Cancer (2020) Würfel FM, Wirtz RM, Winterhalter C, Taffurelli M, Santini D, Mandrioli A, Veltrup E, et al. Journal article Use of a molecular Registry (PRAEGNANT) for Patient-Selection and Biomarker-Analysis for the SHERBOC Study (2020) Hübner H, Kurbacher C, Kuesters G, Hartkopf AD, Lux MP, Huober J, Volz B, et al. Conference contribution Predicting prognosis of breast cancer patients with brain metastases in the BMBC registry - comparison of three different prognostic scores (2020) Riecke K, Mueller , Neunhoeffer T, Weide R, Schmidt M, Park-Simon TW, Mundhenke C, et al. Conference contribution