Physicians have long assumed that ovarian cancer—one of the deadliest cancers among women—originates in the ovaries. But new research indicates that the disease might begin elsewhere, a breakthrough that could improve mortality and preserve fertility.
“There have always been inconsistencies because ovarian cancer cells don’t resemble the cells normally found in the ovary,” says Robert Kurman, M.D., a gynecologic pathologist at Johns Hopkins. “Usually, cancerous cells resemble the cells in that organ. But for …