2373
Sural nerve biopsy showed mild thickening of the perineurium , vascular alterations with inflammatory cell infiltration in the perineurium , and remarkable loss of large and small myelinated fibers .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None