BRCA2 and gastric cancer: By age 80 years, the male breast cancer risk for BRCA1 and BRCA2 carriers was 0.4% (95% CI, 0.1 to 1.5) and 3.8% (95% CI, 1.9 to 7.7), respectively; the pancreatic cancer risk varied between 2.3% and 3.0% for both male and female BRCA1 and BRCA2 carriers; the stomach cancer risks were 1.6% (95% CI, 0.7 to 4.0) for male and 0.7% (95% CI, 0.3 to 1.7) for female BRCA1 carriers and approximately 3.5% for both male and female BRCA2 carriers.