Table 2.

Clonal structure of ENU-induced tumors in aggregation chimeras.

Mouse ID	Section	%blue	Median distance to blue, μm	Median distance to white, μm	N of tumors
					Total	White	Blue	Heterotypic	Not scorable
78	C	46	61	55	0	0	0	0	0
95	1	46	75	68	0	0	0	0	0
	2	34	76	45	2	2	0	0	0
	3	34	68	41	0	0	0	0	0
	4	32	55	32	0	0	0	0	0
	C	35	65	41	0	0	0	0	0
101	1	63	78	124	1	0	1	0	0
	2	66	67	135	3	1	1	1	0
	3	53	81	94	0	0	0	0	0
	4	54	60	76	0	0	0	0	0
	C	54	78	90	3	0	0	2	1
105	1	27	114	45	4	1	0	0	3
	2	29	106	45	1	1	0	0	0
	3	36	75	44	0	0	0	0	0
	4	38	53	38	1	0	0	0	1
	C	27	82	38	1	1	0	0	0
153	1	50	59	61	3	0	0	2	1
	2	47	61	53	2	1	0	1	0
	3	54	41	44	0	0	0	0	0
	4	49	44	41	0	0	0	0	0
	C	59	51	64	4	1	0	3	0
				Total:	25	8	2	9	6

Sections 1–4 refer to quarters of the small intestine numbered from proximal to distal; Section C refers to the colon. Some tumors were not scorable because of poor fixation, sectioning, or staining.