13669
Administration of the cytokine interleukin-2 ( IL-2 ) can result in therapeutic benefits for individuals with renal cell carcinoma and melanoma .
 cytokine interleukin-2, IL-2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cytokine interleukin-2, IL-2