Table 4. . Cross-tabulation of the three different variants of breast cancer with the four groups of thyroid diseases evaluated.

Thyroid + BC	Control group	1	2	3	Total	p-value
1	221	159	12	24	416	0.07513
2	114	130	7	18	269
3	53	33	1	3	90
4	22	21	2	0	45
Total	410	343	22	45	820

Thyroid + BC = The four groups of patients with thyroid disease (multinodular goiter = 1; Hashimoto's thyroiditis = 2; Graves' disease = 3; thyroid carcinoma = 4).

BC: Breast cancer.