370
All - trans - retinoic acid ( ATRA ) , the active derivative of vitamin A , has been well documented as a growth and differentiation factor in many tissues and cells , and proved to be an effective treatment to many diseases including cancers [ 21 ] , [ 22 ] .
 Anatomy: tissues; Anatomy: cells; Anatomy: cancers
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: tissues; Anatomy: cells; Anatomy: cancers