Breast carcinoma that has developed in relatives of patients with history of breast carcinoma. The disease is Monarch Disease Ontology identifier MONDO_0016419 (hereditary breast carcinoma). Also known as: breast cancer susceptibility, autosomal dominant, somatic mutation, breast cancer, early-onset, susceptibility to, autosomal dominant, somatic mutation, breast cancer, invasive ductal, autosomal dominant, somatic mutation, breast cancer, lobular, somatic, breast cancer, male, susceptibility to, autosomal dominant, somatic mutation, breast cancer, protection against, autosomal dominant, somatic mutation, breast cancer, somatic, breast cancer, susceptibility to, autosomal dominant, somatic mutation.