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Combination chemotherapy with mitoxantrone , high - dose 5 - fluorouracil ( 5 - FU ) and leucovorin ( MFL regimen ) had been reported as an effective and well tolerated regimen .
 mitoxantrone, 5 - fluorouracil, 5 - FU, leucovorin, MFL regimen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 mitoxantrone, 5 - fluorouracil, 5 - FU, leucovorin, MFL regimen