BRCA1 and breast cancer: Among these genes, TP53 (OR: 16.9, 95% CI: 5.2–55.2); BRCA2 (OR: 10.4, 95% CI: 7.6–14.2); BRCA1 (OR: 9.7, 95% CI: 6.3–14.8); and PALB2 (OR: 5.2, 95% CI: 3.0–8.8) were classified as high risk breast cancer susceptibility genes in Chinese women (Table 2).