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Twelve patients were observed for periods of sufficient length for the drug effect to be assessed , and in 11 there was a good response in terms of decrease in spleen size . Cycloguanil pamoate may be of value both for prophylaxis and treatment in areas where tropical splenomegaly syndrome is endemic .
 Anatomy: spleen; Anatomy: splenomegaly
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: spleen; Anatomy: splenomegaly