4689
These results indicate that VEGF - C plays a critical role in lymph node metastasis , in addition to serving as a platform to test the efficacy of various therapeutic modalities against lymph node metastasis .
 lymph node, lymph node
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 lymph node, lymph node