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Immunohistochemistry revealed that the Hedgehog receptor Patched was localized to the tumor stroma and that B16F0 cells expressed Shh peptide .
 Anatomy: tumor stroma; Anatomy: B16F0 cells
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: tumor stroma; Anatomy: B16F0 cells