86366
Shona Holmes , or Shona Robertson-Holmes , ( b. ) is a Canadian woman who underwent treatment for a Rathke 's cleft cyst in the United States , and claimed the condition threatened her life .
 United States
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United States