4680
Endometrial histology at LNG - IUS insertion showed simple EH in 20 cases ( 58 . 8 % ) , complex EH in 14 cases ( 41 . 2 % ) .
 Chemical: LNG
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: LNG