EPHB2 and neoplasm: The results showed that tumor weight was 0.14±0.04, 0.16±0.04 and 0.40±0.10 g for CFPAC-1, CFPAC-1 control RNAi and CFPAC-1 EphB2 RNAi cells, respectively, and the tumor weight inhibitory rate was 31.40, 31.33 and 18.36%, respectively.