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Age alone should not preclude the use of chemotherapy in stage IV colorectal cancer , although the ability to tolerate drug - related toxicity may be a consideration .
 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