Indications for Hormone Therapy post treatment of DCIS:

• High risk DCIS (high grade, comedo-necrosis)
• MUST be ER/PR +
• Patient had lumpectomy not Mastectomy
• Not for Pleomorphic LCIS

Pre-menopausal women: Tamoxifen for 5 years
Post-menopausal women: Tamoxifen or an Aromatase Inhibitor for 5 years.

NOTE: Hormone treatment does NOT improve survival but it may decrease local recurrence in the treated breast as well as the other breast.