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In GC patients , WNT6 expression was positively associated with the tumor stage and the nodal status , and inversely correlated with the response to ECF ( Epi , cisplatin , 5 - fluorouracil ) chemotherapy .
 Chemical: Epi; Chemical: cisplatin; Chemical: 5 - fluorouracil
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Epi; Chemical: cisplatin; Chemical: 5 - fluorouracil