Table 1.

Summary of lung metastatic lesions in all mice after survival surgery. The total number of metastatic lesions in all mice per group, as well as the number of mice per group, and the metastatic index is shown. The Metastatic Index is defined as #Mets/#Mice. * p values were determined using Welch’s correction test.

	Total #Mets	#Mice	Metastatic Index	P value$
WT	186	13	14.31
Nos2-	27	8	3.38	0.026*
WT INDO	27	15	1.80	0.024*
Nos2- INDO	1	8	0.13	0.012*

^$Welch’s Correction Test.

*Compared to WT.