1425
In the HT29 tumor model , treatment response to vandetanib ( 50 mg / kg / day , Monday - Friday for 2 weeks ) was greatest in xenografts derived from the highest VEGF - expressing cell clones .
 Anatomy: HT29 tumor; Anatomy: xenografts; Anatomy: cell clones
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: HT29 tumor; Anatomy: xenografts; Anatomy: cell clones