1399
We examined the expression of nm23 - H1 gene product in surgically resected 46 pairs of primary lung cancers and metastatic lymph nodes by immunohistochemistry .
 Anatomy: primary lung cancers; Anatomy: metastatic lymph nodes
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: primary lung cancers, metastatic lymph nodes 
Answer:
 Anatomy: primary lung cancers; Anatomy: metastatic lymph nodes