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To study Hedgehog signaling in vivo a hind limb tumor model with the B16F0 cell line was used .
 Anatomy: hind limb tumor; Anatomy: B16F0 cell line
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: hind limb tumor; Anatomy: B16F0 cell line