2261
In this series , 13 grafts ( 17 . 80 % ) with variant hepatic artery were conducted arterioplasty on a back - table under a loupe or a high - power microscope , which included one recipient in situ interposition vessel graft of recipient proper hepatic artery for artery reconstruction .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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