Download ACS 2013 health insurance [PDF - <1.0 MB] 1  Percent insured with private health insurance: 64.5 percent. This was not statistically different from 65.2 percent in 2010. 2  Uninsured: 18.7 percent. This was down from 19.9 percent in 2010.
This medication is used to treat certain types of breast cancer (such as hormone-receptor-positive breast cancer) in women after menopause. Letrozole is also used to help prevent the cancer from returning. Some breast cancers are made to grow faster by a natural hormone called estrogen. Letrozole decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers.
Chemical Characteristics of Letrozole. Letrozole (Femara) is a non-steroidal aromatase inhibitor. This is to say that it does not possess the characteristic four ring cycloalkane ring carbon structure common of all types of steroids, unlike the steroidal aromatase inhibitor Aromasin (Exemestane).he difference between Letrozole and the other two major aromatase inhibitors is the fact that although it is utilized for the treatment of post-menopausal female breast cancer patients, it is actually specifically utilized for what is known as Estrogen receptor unknown breast cancer.