AGO Recommendations for the Diagnosis and Treatment of Patients with Locally Advanced and Metastatic Breast Cancer: Update 2021

Marc Thill, Michael Friedrich, Cornelia Kolberg‐Liedtke, Ute‐Susann Albert, Maggie Banys‐Paluchowski, Ingo Bauerfeind, Jens‐Uwe Blohmer, Wilfried Budach, Peter Dall, Eva Maria Fallenberg, Peter A. Fasching, Tanja Fehm, Bernd Gerber, Oleg Gluz, Nadia Harbeck, Jörg Heil, Jens Huober, Christian Jackisch, Hans-Heinrich Kreipe, David Krug, Thorsten Kühn, Sherko Kümmel, Sibylle Loibl, Diana Lüftner, Michael P. Lux, Nicolaì Maass, Christoph Mundhenke, Ulrike Nitz, Tjoung‐Won Park‐Simon, Toralf Reimer, Kerstin Rhiem, Achim Rody, Marcus Schmidt, Andreas Schneeweiß, Florian Schütz, Hans‐Peter Sinn, Christine Solbach, Erich‐Franz Solomayer, Elmar Stickeler, Christoph Thomssen, Michael Untch, Isabell Witzel, Achim Wöckel, Volkmar Müller, Wolfgang Janni, Nina Ditsch