1613
It suggests that TB4 could be a hypoxia responsive regulator to control tumor cell migration in angiogenesis and tumor metastasis .
 Anatomy: tumor cell; Anatomy: tumor
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: tumor cell; Anatomy: tumor