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These data support a new model for how tumor cells trigger metastasis by perturbing pericyte - endothelial cell - cell interactions .
 tumor cells, pericyte, endothelial, cell, cell
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 tumor cells, pericyte, endothelial, cell, cell