Effect of dietary fat on polyp number, polyp volume, and degree of dysplasia in ApcMin mice exposed to B(a)P through oral gavage. Data represented are mean values (n = 10) ± standard error. Asterisks denote statistical significance; B(a)P, benzo(a)pyrene; SF, saturated fat; USF, unsaturated fat. *p < .05 **p < .01.