Rodrigues, MárciaBastos, FernandaTheisen-Pereira, PatríciaGonçalves, João2019-02-252019-02-252018-04-24http://hdl.handle.net/10400.18/5947Introduction: BRCA1- and BRCA2-associated hereditary breast and ovarian cancer (HBOC) syndrome should be suspected in individuals with a personal or family history of breast cancer diagnosed at or before age 50 years.engBRCA1NGSHereditary Breast and Ovarian CancerDoenças GenéticasTwo sisters with breast cancer before age 40: two different mutations?conference object