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Questions and Answers About Breast Cancer, Bone Metastases, & Treatment-Related Bone Loss

As mentioned in Appendix 2.2, it is recommended that cancer registries use the International Classification of Diseases for Oncology (ICD-O) (Percy et al., 1990) to code the topography (site of primary tumour) and morphol- ogy (histological type) of the tumours. The fifth digit in the ICD-O mor- phology codes describes the behaviour of the tumour—benign, borderline, in situ, malignant. The topography of a tumour is the most important data item recorded and provides the main basis of tabulation of registry data | Questions and Answers About Breast Cancer Bone Metastases Treatment-Related Bone Loss a Publication Of The Bone and Cancer Foundation Contents This publication includes important information about the relationship between breast cancer and bone health The relationship between breast cancer and bone health page 2 . The risk of breast cancer returning and where page 2 . Decreasing the chance of breast cancer spreading to bone page 3 . Finding out if breast cancer has spread to bone page 3 . Problems caused by breast cancer in bone page 4 . Treating breast cancer that has spread to bone page 5 . Treatment-related side effects page 6 . Preventing and treating bone loss in people with breast cancer page 8 . Health care professionals who can help page 9 . Glossary page 10 . 1 The Relationship Between Breast Cancer and Bone Health 1. Q How can breast cancer affect bone health A Breast cancer can affect bone in two ways Breast cancer can spread metastasize to bone. Breast cancer treatment can cause rapid bone loss. The Risk of Breast Cancer Returning and Where 2. Q How often does breast cancer that has been treated return A The chance of breast cancer returning depends on the type of breast cancer and how it was treated. Women with early stage breast cancer who are treated with surgery alone are at risk of having their cancer return even 15 to 20 years later. The chance of this happening depends on The size of the original tumor. Whether the original tumor had spread to local lymph nodes. The characteristics of the tissue that made up the tumor. The risk of breast cancer returning may be lowered by hormonal therapy chemotherapy and or radiation therapy. 3. Q If breast cancer returns where is it found A Breast cancer may return to the breast area or spread metastasize to other parts of the body. This happens when tumor cells from the original cancer break off and travel through the blood stream to a new location where they grow and multiply. If breast cancer returns it .