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.
Cystectomy is a complex procedure and surgeons may use different techniques to perform it, such as: 1  Open surgery, which requires one long incision to access the bladder.  Minimally invasive surgery, which involves several small incisions where special surgical tools are inserted to access the bladder.