2545
The chemokine receptor CXCR4 is associated with the biological behavior of cancer , but few studies have addressed the expression and function of CXCR4 in human gastric cancer and its impact on disease prognosis .
 Anatomy: cancer; Anatomy: gastric cancer
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: cancer; Anatomy: gastric cancer