2643
CCNU was used most commonly in the treatment of lymphoma , mast cell tumour , brain tumour , histiocytic tumours and epitheliotropic lymphoma .
 Chemical: CCNU; Disease: lymphoma; Disease: mast cell tumour; Disease: brain tumour; Disease: histiocytic tumours; Disease: epitheliotropic lymphoma
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: CCNU; Disease: lymphoma; Disease: mast cell tumour; Disease: brain tumour; Disease: histiocytic tumours; Disease: epitheliotropic lymphoma