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BMSVTs exhibited a partially transformed phenotype , demonstrating growth factor independence , altered antigen expression and forming tiny , infrequent colonies in vitro .
 Anatomy: BMSVTs; Anatomy: colonies
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: BMSVTs; Anatomy: colonies