chemotherapy to breast cancer survival is very small

Chemotherapy can kill all the remaining cancer cells in the body. In this way the cancer can be cured. Chemotherapy can also stop cancer from spreading to other parts of the body. To put it bluntly, how effective is chemotherapy for breast cancer?
1. Without chemotherapy what percentage of people died or would die from breast cancer?
2. With chemotherapy what percentage of people are cured or would be cured?
Despite more than 3 decades of research, metastatic breast cancer remains essentially incurable." How effective is chemotherapy ? Chemotherapy has improved survival by less than 3% in adults with cancer."
Veroort et al. from the Netherlands (British J. Cancer. 2004. 91: 242-247) in their study on the role of tamoxifen and chemotherapy for breast cancer concluded that "breast cancer mortality reduction caused by present-day practice of adjuvant tamoxifen and chemotherapy is 7%. Take note that the contribution of chemotherapy to breast cancer survival is very small - what is very small? Chemotherapy for cancer is based on "flawed premises with an unattainable goal, cytotoxic chemotherapy in its present form will neither eradicate cancer not alleviate suffering."
Cured of Breast Cancer ? Women are often told that if they survive five years after their diagnosis of breast cancer, they are considered cured of breast cancer. The most popular (and accepted) method for curing cancer is chemotherapy. Why? Chemotherapy - The treatment of disease by the use of chemical substances, esp. the treatment of cancer by Cytotoxic and other drugs.
Chemotherapy is the treatment used for treating cancer by destroying the cancerous cells. It is also used for treating breast cancer. Adjuvant chemotherapy :  This type of chemotherapy is used for destroying the cancer and is a very primary form of treatment used for treating breast cancer.