5968
There was a direct correlation between the rate of lymphocyte infiltration and the level of progesterone receptors in tumor.
 protein: progesterone receptors
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: progesterone receptors 
Answer:
 protein: progesterone receptors