Hereditary Breast Ovarian Cancer Syndrome (BRCA1/BRCA2)
A woman with this syndrome may develop breast cancer before age 50 and is at higher risk for developing cancer in both breasts or in both the breasts and ovaries.
Peutz-Jeghers Syndrome
People with this syndrome have dark moles around the mouth, nose, and eyes, as well as multiple polyps in the intestines.
Li-Fraumeni Syndrome
Li-Fraumeni syndrome raises the risk for breast cancer and many other types of cancer.
Ovarian Cancer as Part of Lynch Syndrome
A woman with this type of hereditary colon cancer is at increased risk for ovarian cancer.