2375
This metastatic ability was enhanced remarkably after in vivo tumor growth ( subcutaneous tumor formation in nude mice ) accompanied by increased mRNA expression and gene amplification of the human - derived K - ras oncogene , while it declined gradually as the passage number increased in vitro , with corresponding decreases of gene amplification and mRNA expression .
 Anatomy: tumor; Anatomy: subcutaneous tumor
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: tumor, subcutaneous tumor 
Answer:
 Anatomy: tumor; Anatomy: subcutaneous tumor