Letrozole belongs to a class of drugs known as nonsteroidal aromatase inhibitors. Letrozole decreases the amount of estrogen in the body. Because many types of breast cancer cells require estrogen to grow, this drug may slow or stop the growth of cancer cells. Letrozole is given as a tablet taken by mouth.
Earnings as a Veterinary Surgeon. The lowest-earning 10 percent of veterinarians earned below $46,610 in May 2008, and the highest-earning 10 percent earned above $143,660, according to the BLS.
Average Salary for a Surgeon in the United States: According to the Bureau of Labor Statistics in 2014, surgeons had an average hourly wage of $115.60 per hour, and an average annual salary of $240,440. These figures are only averages, and some individuals may make more or less.