1616
However , a statistically significant correlation was found between the surface expression of CD40 and the metastatic spread of the tumor .
 Anatomy: surface; Anatomy: 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: surface, tumor 
Answer:
 Anatomy: surface; Anatomy: tumor