618
After the ablation procedure , all patients received anti - arrhythmic treatment for at least 1 month to protect against early recurrences and continued oral anticoagulation for a minimum of 2 months to maintain an international normalized ratio between 2 . 0 and 3 . 0 .
 Anatomy: oral
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: oral 
Answer:
 Anatomy: oral