A 43-year-old, healthy, single woman. First period at the age of 14 years. No previous marriages or pregnancies, no family history of breast cancer, and not enroled in a breast cancer screening program. The patient had regular menstruation and showed no symptoms of menopause or perimenopause. The patient had a breast implant nine years ago for cosmetic reasons, which was removed after 1 year due to recurrent infections.