Table 1.

Rate of mucinous metaplasia in FVB/N mice

	Age of mice (mo)
	11–12	17–18	22–24
No. of mice	18	14	16
% of mice with PAS-positive areas	0	43	50
Average no. of PAS-positive areas	—	1.2	1.5
per mouse
% of lesions in each lobe
Lateral	—	100	67
Dorsal	—	0	17
Ventral	—	0	17