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RESULTS : We evaluated 143 patients who received single - agent cisplatin ; 97 . 2 % of patients had head and neck cancer as their primary malignancy .
 Chemical: cisplatin; Disease: head and neck cancer; Disease: malignancy
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: cisplatin; Disease: head and neck cancer; Disease: malignancy