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To date , its diagnosis , which can be made only retrospectively , is one of exclusion , based entirely on nonspecific clinical signs that result from serosal inflammation and that may lead to unnecessary surgery .
 Disease: serosal inflammation
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: serosal inflammation 
Answer:
 Disease: serosal inflammation