Fig 4. Size distribution of tumors in the small intestine of A/J Min/+ mice.

A) mice fed four different diets, (△) Control; (●) Hemin; (◇) Hemin+Nitrite; (■) Nitrite, and B) mice fed diets with or without hemin, (●) Hemin⁺; (○) Hemin^-. The smallest size class contained lesions with 1–4 crypts.