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Clinical Articles / BY: Charmaine Kim-Sing, MD, ChB, FRCPC October 2004
... nulliparity, later age at first birth (>30 years versus <20 years), later age at menopause (>55 years versus <45 ... 70% to 80% lifetime risk of developing breast cancer and a 20% to 40% lifetime risk of developing ovarian cancer. [3,4] ... for cancers that were greater than 2 cm in size, lymph node negative, and estrogen receptor (ER) positive. The most ...