Auricular acupuncture for breast cancer-related depression: A protocol for systematic review and meta-analysis.

Background: Breast cancer is a common disease in galactophore department. Patients with breast cancer are prone to depression, with the incidence of depression ranging from 13% to 23% and as high as 70% in patients with advanced stage. On the one hand, it is related to the physiological characteristics, personality characteristics, and social factors of women themselves.