4686
To analyze the contribution of VEGF - C to lymph node metastasis , its corresponding gene was stably introduced into HEC1A cells ( HEC1A / VEGF - C ) , which then produced more than 10 times the amount of VEGF - C .
 lymph node, HEC1A cells, HEC1A
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 lymph node, HEC1A cells, HEC1A