Malignant tumor – breast cancer may be hormone-sensitive or not sensitive to hormones. Depending on this feature, a course of treatment is prescribed. So, in the treatment of cancerous tumors provoked by an excess of estrogen – the female sex hormone https://canadiantoprx.com/buy-nolvadex-online-cheap/, the drug Nolvadex is often prescribed, which inhibits the production of estrogen, due to which the growth of malignant cells stops. The main active ingredient of the drug is tamoxifen.