7786
NAG - 1 expression is substantially increased during cancer development and progression especially in gastrointestinal , prostate , pancreatic , colorectal , breast , melanoma , and glioblastoma brain tumors .
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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