How do you treat metastatic adenoid cystic carcinoma of breast primary, ER 3%, PR, HER 2 negative with liver only metastasis?

Adenoid cystic carcinoma of the breast is a very rare breast cancer type accounting for about 0.1% of all breast cancer cases. There is a paucity of prospective trials in this very rare tumor type. Adenoid cystic carcinoma is not typically considered to be chemotherapy-sensitive as it grows very slo...