2984
RESULTS : A total of 13 PCNSLs ( 31 % ) demonstrated hypermethylation in either the promoter or exon 1 ; loss of HRK expression was immunohistochemically observed in 9 tumors and was significantly associated with promoter methylation .
 Anatomy: PCNSLs; Anatomy: tumors
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: PCNSLs, tumors 
Answer:
 Anatomy: PCNSLs; Anatomy: tumors