PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12353821-5 2002 Ovarian ablation or megestrol acetate is an appropriate second-line hormonal therapy for premenopausal women treated with tamoxifen as first-line therapy, or ovarian ablation plus an aromatase inhibitor (AI) or megestrol acetate for women treated with first-line tamoxifen plus an LHRH agonist. Megestrol Acetate 20-37 gonadotropin releasing hormone 1 Homo sapiens 281-285