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Combined NK cell therapy and radiotherapy exhibit long-term therapeutic and anti-metastatic effects in a human triple negative breast cancer model . {{URL}} h / t {@NCBI@} # RadOnc # PubMed
 NK cell therapy, radiotherapy, long-term therapeutic and anti-metastatic effects, human triple negative breast cancer model, NCBI, RadOnc, PubMed
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 NK cell therapy, radiotherapy, long-term therapeutic and anti-metastatic effects, human triple negative breast cancer model, NCBI, RadOnc, PubMed