621
Arrhythmic episodes within the first 3 months after the CPVA ( healing period ) were not considered in the evaluation of final success rates because they are often described as transient recurrences related to atrial inflammatory processes following RF lesions . 26
 atrial
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 atrial