636
CONCLUSIONS : The increased concentration of sFas in serum of patients with acute liver failure may reflect activation of Fas - mediated apoptosis in the liver and this together with increased tumor necrosis factor - alpha may be an important factor in liver cell loss .
 Disease: acute liver failure; Disease: tumor; Disease: necrosis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: acute liver failure; Disease: tumor; Disease: necrosis