The American Cancer Society estimates that breast cancer will claim the lives of more than 40,700 Americans in 2015. Breast cancer is the second leading cause of death for women in the United States, after lung cancer. It has been estimated that doctors will diagnose nearly 232,000 women with invasive breast cancer and around 60,300 women with non-invasive breast cancer, this year.

We have all been touched by this terrible illness. According to the American Cancer Society more than a half-million people die annually of cancer in the US. In Puerto Rico, the mortality rate is 5,000 patients per year, with a 2% increase each year.

Cancer results from uncontrollable cell proliferation, which leads to the formation of malignant tumors in different parts of the body. These tumors affect the physiological function of tissues and organs and are the target of cancer treatment.