Table 1.

Incidences and multiplicities of macroscopic tumors of the tongue and esophagus

	Allele	Tongue	Esophagus
Incidence (%)	chip/+	100.0	78.3
	chip/c	90.5	42.9*
Multiplicity (mean ± SD)	chip/+	4.91 ± 1.02	1.30 ± 1.04
	chip/c	1.90 ± 0.81*	0.62 ± 0.81*
Diameter (mm) (mean ± SD)	chip/+	2.07 ± 0.57	1.82 ± 1.04
	chip/c	1.30 ± 0.67**	1.38 ± 0.68

^* Significantly different from chip/+ (P < 0.05).

^** Significantly different from chip/+ (P < 0.005).

chip/+, control mice; chip/c, hypomethylated mice.