2254
RESULTS : As regards the association of patients ' prognosis with EGFR staining and Ki - 67 index , a significant increase was observed in patients who died or had residual disease compared with patients who were alive without disease .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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