1967
Moreover, cell lines derived from tumours of patients with a disease-free survival of more than 24 months (24-58 months) express the NM23 gene at higher levels than cell lines obtained from melanomas of patients with a disease-free survival of less than 24 months (6-15 months).
 protein: NM23; DNA: NM23 gene; cell line: cell lines; cell line: cell lines
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: NM23, NM23 gene, cell lines, cell lines 
Answer:
 protein: NM23; DNA: NM23 gene; cell line: cell lines; cell line: cell lines