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Patients with low or absence expressing SPARC had significantly worse overall survival and disease - free survival in a Single Factor Analysis ; Cox Regression Analysis , SPARC emerged as an overall survival and disease - free survival independent prognostic factor for colon cancer .
 Anatomy: colon 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: colon cancer