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 of a Surgeon: The Basics According to the Bureau of Labor Statistics (BLS), the average salary of a surgeon was $247,520 per year, $119.00 per hour in 2015. Even the lowest-paid 10% of surgeons earn $111,420 per year, $53.57 per hour, so the chances are high that becoming a surgeon will result in a six-figure salary.