1954
These results indicate that the interaction of tumor cells and endothelial cells in orderly tumor angiomorphogenesis is highly dependent on the action of cell adhesion molecules mediating the adhesion of cancer cells to endothelial cells , inhibition of which remarkably retards tumor growth and angiogenesis .
 tumor cells, endothelial cells, tumor, cell, cancer cells, endothelial cells, tumor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 tumor cells, endothelial cells, tumor, cell, cancer cells, endothelial cells, tumor