290648
Pathology of the anterior accessory saphenous vein When insufficient , usually it tries to drain in the superior peroneal perforator at the external face of the knee , but it can reach the leg at its lower 1/3 and , drain in the lower peroneal perforator .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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