Evaluation of Prognostic Factors: From Breast Cancer to Bone Metastases

Collection of waste tissue samples during surgery and immediate immersion of the same in 10% Neutral buffered formalin. The samples will be send to the laboratory where they will be processed (decalcification, inclusion in paraffin, sectioning etc.) for subsequent analyzes.

Patients will be assisted in the recovery of samples (slides) related to surgery on primary tumor (breast cancer responsible for metastatic disease).