Table 2. Intrasplenic and liver metastases induced by splenic injection in nude mice.

Groups	Tumorigenicity	Metastases	Liver metastasis
			Incidence	Number
L-Gli1i	8(10)	2.6	3(8)	2.7
L-C	8(9)	4.9	5(8)	4.2
L-SHH	9(9)	8.9	9(9)	6.7