 Registration: The investigators will recruit patients with mammographic and echographic studies that a have been diagnosed with breast cancer clinically to be confirmed in biopsy and b surgery has been recommended for the treatment of this cancer. Patients will be interviewed by Dr. Gass, and or Dr. Liguori, or Dr. Paula Martínez-Vazquez, and consented into the study. The original IC will be kept in the CRF of the patient and a copy in the main study file. 