4413
Tumor necrosis factor levels were measured by enzyme - linked immunoabsorbent assay in plasma samples obtained from the hyperthermic isolated limb perfusion circuit and systemic circulation .
 GENE: Tumor necrosis factor
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Tumor necrosis factor