2600
These findings suggest that poorly vascularized neuroblastomas become immature and maintain a more aggressive phenotype , which possibly could involve a sustained stabilization and activation of HIF - 2alpha .
 Anatomy: neuroblastomas
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: neuroblastomas 
Answer:
 Anatomy: neuroblastomas