Table 4.

Correlations between Tiam1/Rac1 protein expressions and lymphatic metastasis of RCC

Lymph node metastasis	Cases	Tiam1			Rac1
		Pos.	Neg.	Pos.%	Pos.	Neg.	Pos.%
Yes	18	16	2	88.8%	17	1	94.5%
No	42	18	24	42.8%*	17	25	40.4%*

^*Fisher exact probability tests return P<0.05, indicating the results are significant.