The "portrait" of hereditary breast cancer.

Abstract excerpt

Five to ten per cent of all breast carcinomas are of hereditary origin. Many of them have been associated to mutations in the BRCA1 and BRCA2 susceptibility genes. No "BRCA3" gene has been found to account for the non-BRCA1/BRCA2 breast cancer (BRCAx) families, and BRCAx tumors are increasingly believed to originate from multiple distinct genetic events. Phenotype studies have questioned the existence of specific...

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