You have not sent any details of latest investigations as to whether cancer is spread and if yes to what parts of the body. In a patient with spread of breast cancer, the average survival varies from 2-7 years. There are many hormonal, chemotherapy and biologic drugs that can control the growth of cancer and extend the life of a patient. Cure is possible but uncommon. We use these drugs in a sequential manner i.e., one after the other. One needs to know the details before specific advice can be given.