Male breAsT cAncer preDisposition Factor: Creation of a Control Cohort 2

Inclusion Criteria: * 1\. A male volunteer participant with no personal history of cancer, registered in the IUCT-O oncogenetics database as a relative of a patient carrying a pathogenic or likely pathogenic variant in one of the cancer predisposition genes routinely analyzed at the oncogenetics laboratory * 2\. Age ≥ 66 years * 3\. Participant with no known family relationship to a patient of the MATADOR1 cohort * 4\. Participant who has undergone an oncogenetic consultation at the IUCT-O * 5\. Participant who does not carry the familial mutation in any of the cancer predisposition genes previously tested * 6\. Participant for which an archived blood sample is available for the research in the oncogenetics laboratory * 7\. Participant having signed an informed consent form before inclusion in the study and before any study specific procedure Exclusion Criteria: * 1\. Patient who has forfeited his/her freedom by administrative or legal award or who is under legal protection (curatorship and guardianship, protection of justice).