4688
Augmented lymphangiogenesis was observed within tumors when HEC1A / VEGF - C cells were inoculated .
 tumors, HEC1A / VEGF - C cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 tumors, HEC1A / VEGF - C cells