Genetic and Cellular Studies Carve New Pathways to Treating Ovarian Cancer By Kathleen Hoffman, PhD, MSPH Ovarian, fallopian tube cancer and primary peritoneal cancer are often grouped under the name epithelial ovarian cancer. When classified as subcategories of ovarian cancer, primary peritoneal cancers and fallopian tube cancers are considered rare. The incidence rate of primary peritoneal cancer is estimated to be 6.78 per million.1 Fallopian tube cancers have been thought to be “very rare,” accounting for 1-2% of all gynecologic cancers.2 Because these cancers are usually advanced by the time they are diagnosed, it has been difficult [...]