2525
Hypoxic tumor cells distant from blood vessels were dramatically reoxygenated at 24 h postirradiation , and HIF - 1 activity increased as HIF - 1alpha accumulated in the reoxygenated regions .
 Anatomy: tumor cells; Anatomy: blood vessels
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: tumor cells; Anatomy: blood vessels