485
BACKGROUND : Cisplatin has minimal antitumor activity when used as second - or third - line treatment of metastatic breast carcinoma .
 Cisplatin, breast carcinoma
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Cisplatin, breast carcinoma