4132
The aims of the present study were to compare , in vitro and in vivo , the antiangiogenic and antitumor activities of metronomic irinotecan ( CPT - 11 ) , oxaliplatin ( L - OHP ) and 5 - fluorouracil ( 5 - FU ) in colorectal cancer and to investigate the metronomic combination of these drugs .
 antitumor, colorectal cancer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 antitumor, colorectal cancer