Homozygous FANCM variant c.5101C>T p.(Gln1701*) in a patient with early onset breast cancer, chemotherapy toxicity, and chromosome fragilitySonja Sulkava1,2*, Anna H. Hakonen1Minna Pöyhönen1, Heli Nevanlinna3,41 HUS Diagnostic Center, Department of Clinical Genetics, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.2Deparment of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland3HUS Diagnostic Center, Laboratory of Genetics, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.4Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.*CorrespondenceSonja Sulkava, email:sonja.sulkava@thl.fi