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The putative metastasis suppressor genes , NME1 ( nm23 - 1 ) and NME2 ( nm23 - 2 ) , were examined in a model system we developed to approximate the dissemination of melanoma from a primary skin tumor .
 Anatomy: melanoma; Anatomy: primary skin tumor
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: melanoma; Anatomy: primary skin tumor