450
TYMS is an essential enzyme for DNA replication / repair and an important drug target in cancerous cells .
 Anatomy: cancerous cells
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: cancerous cells 
Answer:
 Anatomy: cancerous cells