4086
14 of the 38 patients were previously treated with chemotherapy , 1 with radiation , 6 with both chemotherapy and radiation , and 17 did not have any treatment before CPDD combination .
 Chemical: CPDD
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:
 Chemical: CPDD