Table 5.

Common Incidental Tumors Unrelated to Treatment in Male or Female Tg.AC Mice Exposed to Arsenic In Utero and Postnatal TPA^a

		Lung
Group	n	Adenoma	Carcinoma	Leukemia/Lymphoma	Jaw Odontoma
Males
Control	24	2	1	3	0
TPA alone	23	0	0	5	2
As (42.5)	24	2	0	2	0
As (85)	24	0	0	1	2
As (42.5) + TPA	25	0	0	2	0
As (85) + TPA	24	0	3	1	2
Females
Control	24	0	0	1	3
TPA alone	23	1	0	2	2
As (42.5)	24	0	0	2	0
As (85)	24	1	2	4	3
As (42.5) + TPA	25	0	0	5	0
As (85) + TPA	24	0	0	3	3

As, arsenic; TPA, 12-O-tetradecanoyl phorbol-13-acetate.

^aSee Table 2 for details.