This enzyme helps to convert ganciclovir into a form which can kill cells that are dividing, including any cancerous cells that were not removed during the operation.
See ensüüm aitab muundada gantsüklo - viiri ühendiks, mis suudab hävitada jagunevaid rakke, sealhulgas ka neid kasvajarakke, mida operatsiooni ajal ei eemaldatud.