Integrative Oncology for Women with Breast Cancer Integrative oncology is a patient-centered, evidence-informed field of cancer care, used worldwide to complement standard cancer care and is actively sought by patients. It is also well established in Switzerland. A wide range of procedures are used, such as mind body medicine, art therapies, exercise, nutrition, herbal medicines, nursing measures and specific complementary medical procedures. They support patients to regain health, improve their quality of life and enable them to take an active role in their health care management. An evidence-based guideline for integrative breast cancer treatment has been published by the Society of Integrative Oncology and implemented by the American Society of Clinical Oncology. Mistletoe therapy is a widely used herbal remedy to support cancer treatment and to improve quality of life. Its mode of action, safety and efficacy are being intensively investigated. The central focus of integrative oncology is a trusting and appreciative consultation on eye-level, so that a patient-centered and safe treatment concept can be designed.