4036
Of 50 patients evaluable for response , 12 ( 24 % ) had partial remission , 26 ( 52 % ) had no change , and 12 had disease progression ( 24 % ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 None