10867
Among non - cirrhotics , lack of portal vein visualisation had a 90 % sensitivity , 88 % specificity , 94 % negative predictive value , and 83 % positive predictive value in the diagnosis of pre - sinusoidal portal hypertension .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
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