2502
Independent predictors of completion RA limb flow are RA proximal diameter ( p = 0 . 005 ) , number of anastomoses ( p = 0 . 018 ) , and target stenosis ( p = 0 . 005 ) .
 RA limb, RA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 RA limb, RA