In politics, lustration refers to the purge of government officials once affiliated with the Communist system in Central and Eastern Europe. Various forms of lustration were employed in post-communist Europe.
A gastrectomy is a partial or total surgical removal of the stomach.
A synovectomy is a surgical procedure for those suffering from significant pain and loss of function due to rheumatoid arthritis. This surgery is usually performed with an arthroscope, a thin, lighted tube attached to a television screen which is inserted through a small incision in the affected area.