SAN ANTONIO (EGMN) - Excision of the primary tumour might provide a survival benefit in women who present with stage IV breast cancer-contrary to conventional wisdom. Breast surgery isn't part of the standard treatment of metastatic breast cancer; the emphasis is placed on treatment of the metastases rather than local therapy, because the disease is considered incurable. Yet patients with stage IV breast cancer who underwent mastectomy or lumpectomy showed superior overall survival, compared with...