10469
The health endpoints condition , liver somatic index ( LSI ) , and macrophage aggregates ( MAs ; indicators of oxidative stress and tissue damage ) in the liver , kidney , and spleen were examined , and in female perch were compared between lakes and related to Hg concentrations measured in the muscle and liver tissue .
 Hg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Hg