The breast cancer is the most frequent cancer in the women, being the most important cause of death for cancer between the ages between 15 to 54 years of age.
One of the 9 women can develop breast cancer in his life, as it is accumulative it comes to 1,5 of every 9 for 65 years. It is more frequent in women older than 50 years but a third of the cancers is between 39 and 49 years of age.
The mutations of the gene p53 gene, BRCA 1 gene, BRCA 2 gene produces a high breast cancer incidence.