Table 2.

Effect of fish oil on DMBA-induced palpable mammary tumors in rats after 35 weeks

Group	No. of rats with tumorsa per total rats	Tumor incidence (%)	Total no. of tumors	Tumor	Size (mm3)
				<2	>2–<5
B	9/10	90	61	22	39
C	6/10	60b	32c	11	21

^aPalpable tumors confirmed as adenocarcinomas by histopathology.

^bSignificantly different from group B by Fischer's exact probability test (P < 0.05).

^cSignificantly different from group B by Student's t-test (P < 0.01).