281
Higher NK activity could be predicted by the perception of high quality emotional support from a spouse or intimate other , perceived social support from the patient's physician , estrogen receptor -negative tumor status , having an excisional biopsy as surgical treatment , and actively seeking social support as a major coping strategy (R2 = 0.33, F(5,55) = 5.5, p less than 0.0004).
 protein: social support; protein: surgical treatment; protein: estrogen receptor; protein: excisional biopsy
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: social support; protein: surgical treatment; protein: estrogen receptor; protein: excisional biopsy