4. Patients not randomized (Group II) Patients not randomized for any reason (low GG, randomization refusal or treatment refusal, etc.) will enter a surveillance program and will be able to participate to other specific geriatric studies (GERICO project to evaluate the impact of comprehensive geriatric assessment on quality of life, treatment administered and BC survival after 75 years; EORTC study to validate the scale specifically developed for elderly ELD15).