67096
Treatment When the orifice is small ( < 1 or 2 cm ) , 90 % close within 3 years ( some sources state 85 % of all umbilical hernias , regardless of size ) , and if these hernias are asymptomatic , reducible , and do n't enlarge , no surgery is needed ( and in other cases it must be considered ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None