1859
Two courses of chemotherapy ( CBCDA + VDS ) failed to gain any improvement , and the pain resulting from recurrent bone metastases was managed mainly by the administration of the best supportive care .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None