23230
High grade serous ovarian cancer ( HGSC ) , the most lethal and frequent type of epithelial ovarian cancer ( EOC ) , has poor long term prognosis due to a combination of factors : late detection , great metastatic potential and the capacity to develop resistance to available therapeutic drugs .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None