257
Laparoscopic examination 1 year after surgery revealed an enlarged , thin - walled , and fluid - filled uterine segment cranial to the midcornus occlusion sites in all animals .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None