<unk> , or<unk> l therapy is the use of<unk> s in medical treatment. Treatment with<unk>  antagonists may also referred to as<unk> l therapy. Wikipedia has the following articles regarding this topic:
Hormone therapy
Hormonal therapy 
Hormone replacement therapy 
Adjuvant therapy
Chemotherapy
Irradiation
Gynecomastia surgery
Breast implant