For Adult Patients/Cancer Care/Patient & Community Education Breast Cancer: Mature Women with Metastatic Breast Cancer Online Support Group Share Audience This is a support group for anyone undergoing treatment for metastatic breast cancer. This group is led by oncology social workers. Every Wednesday11:00 a.m. All social work support groups and programs are currently held online. If you have any questions, contact a member of your care team directly. If you're a patient at MSK and you need to reach a provider after 5 p.m., during the weekend, or on a holiday, call 212-639-2000.