Dr Tan’s clinical interest lies in breast oncology and the use of surgical techniques to achieve the best oncologic and cosmetic outcomes for her patients. This includes breast conservation surgery for cancers as well as nipple- and skin-sparing mastectomies with immediate breast reconstruction. She is also adept at the whole range of breast surgical procedures including vacuum assisted biopsies for breast lesions and the radioisotope occult lesion localisation (ROLL) procedure. She continues to perform the full range of general surgical operations. Dr Tan is actively involved in promoting breast cancer awareness both locally and internationally. She is a committee member on breast cancer support groups, and is the scientific medical advisory for the World Conference on Breast Cancer Foundation (WCBCF). She is also a member of Bali’s International Women’s’ Association.