19. Use of fulvestrant in the preparation of a pharmaceutical formulation for the treatment of a benign or malignant disease of the breast or reproductive tract by intra-muscular administration, wherein the pharmaceutical formulation comprises fulvestrant, 17-23% weight of a pharmaceutically-acceptable alcohol per volume of formulation, 12-18% weight of pharmaceutically-acceptable non-aqueous ester solvent miscible in a ricinoleate vehicle per volume of formulation and Seite 14 O2015_012