Phase II trial of humanized anti-Lewis Y monoclonal antibody for advanced hormone receptor-positive breast cancer that progressed following endocrine therapy Laura Testa; Max Mano; Roberto Jun Arai; Renata Colombo Bonadio; Sergio V. Serrano; Marina M Costa Zorzetto; Susanne Crocamo; Oren Smaletz; Ruffo Freitas-Junior; Paulo M. Hoff;