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New chemotherapy combinations with higher activity and lower toxicity are needed for elderly patients with advanced NSCLC .
 Disease: toxicity; Disease: NSCLC
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: toxicity, NSCLC 
Answer:
 Disease: toxicity; Disease: NSCLC