Biallelic germline BRCA1 mutations in a patient with early onset breast cancer, mild Fanconi anemia-like phenotype, and no chromosome fragility - Keupp, Katharina (Center for Familial Breast and Ovarian Cancer. Center for Integrated Oncology (CIO). University of Cologne) ; Hampp, Stephanie (Department of Obstetrics and Gynecology. Ulm University) ; Hübbel, Annette (Center for Familial Breast and Ovarian Cancer. Center for Integrated Oncology (CIO). University of Cologne) ; Maringa, Monika (Center for Familial Breast and Ovarian Cancer. Center for Integrated Oncology (CIO). University of Cologne) ; Kostezka, Sarah (Department of Obstetrics and Gynecology. Ulm University) ; Rhiem, Kerstin (Center for Familial Breast and Ovarian Cancer. Center for Integrated Oncology (CIO). University of Cologne) ; Waha, Anke (Center for Familial Breast and Ovarian Cancer. Center for Integrated Oncology (CIO). University of Cologne) ; Wappenschmidt, Barbara (Center for Familial Breast and Ovarian Cancer. Center for Integrated Oncology (CIO). University of Cologne) ; Pujol, Roser. (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ; Surrallés i Calonge, Jordi (Institut d'Investigació Biomèdica Sant Pau) ; Schmutzler, Rita K. (Center for Familial Breast and Ovarian Cancer. Center for Integrated Oncology (CIO). University of Cologne) ; Wiesmüller, Lisa (Department of Obstetrics and Gynecology. Ulm University) ; Hahnen, Eric (Center for Familial Breast and Ovarian Cancer. Center for Integrated Oncology (CIO). University of Cologne)