155
Sixty - two patients ( 88 . 6 % ) are alive with functioning grafts 686 + / - 362 days ( range , 154 - 1433 days ) after conversion .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 None