2555
Strong CXCR4 expression was significantly associated with lymph node metastases ( P = 0 . 028 ) and higher stages III / IV ( P = 0 . 047 ) , and further tended to be correlated with a reduced 5 - year survival rate ( 42 . 6 % vs . 53 . 9 % ; P = 0 . 1 ) .
 Anatomy: lymph node metastases
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: lymph node metastases