Sj-subway, a Predictor for the Recurrence of High-risk Hormone Receptor-positive Breast That is Sensitive to Extended Endocrine Therapy

If the expression of sj-subway in the surgical wax block is eligible, it is recommended but not mandatory that patients follow the guidelines to choose the appropriate extended endocrine therapy. 1. For postmenopausal patients: Extend treatment with aromatase inhibitors 10 years: letrozole or anastrozole or exemestane. 2. For premenopausal patients: An initial 5 years tamoxifen treatment followed by additional 5 years extended tamoxifen treatment. Postmenopausals are treated with aromatase inhibitors 5 years. 3. For patients have completed ovarian function suppression plus initial 5-year aromatase inhibitor treatment: Menopausals: Aromatase inhibitors; Non-menopausals: 5 years of tamoxifen treatment or ovarian function suppression plus 5 years of aromatase inhibitor treatment. 4. For patients have completed ovarian function suppression plus initial 5-year tamoxifen treatment: Menopausals: Aromatase inhibitors for additional 5 years; Non-menopausals: Tamoxifen for additional 5 years.