120486
He has a congenital disorder called sacral agenesis which prevented fetal development of certain parts of his lower spine and all of his sacrum .
 congenital disorder, sacral agenesis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 congenital disorder, sacral agenesis