Breast Cancer LCIS
Facts about lobular carcinoma in situ (LCIS):
- Lobular carcinoma in situ, or LCIS, is not an actual cancer, but a marker for potential invasive breast cancer.
- The finding of LCIS on a breast biopsy put the patient at a risk of 1% per year of developing cancer in either breast.
- If a cancer develops from the LCIS, it is more commonly ductal carcinoma as opposed to lobular carcinoma.
- Women with LCIS may not need to have the lesion removed. They will however require close physician follow-up that includes yearly physician exams and mammography to make sure their condition does not change. Monthly breast self examination is also recommended.
Continue to Breast Cancer Medullary Carcinoma
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- Collaborative Group on Hormonal Factors in Breast Cancer: Breast cancer and hormone replacement therapy: collaborative reanalysis of data from 51 epidemiological studies of 52,705 women with breast cancer and 108,411 women without breast cancer. Collaborative Group on Hormonal Factors in Breast Cancer. Lancet 1997 Oct 11; 350(9084): 1047-59. 
- Giordano SH. A review of the diagnosis and management of male breast cancer. Oncologist. 2005 Aug;10(7):471-9.