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While the understanding of the molecular pathogenesis of IBD has recently improved , the mechanisms that link these chronic inflammatory states to colorectal cancer development are in large part unknown .
 Anatomy: colorectal cancer
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: colorectal cancer