HCR Update from Mark Sanna: Scientists have discovered that the most dangerous cancer of the uterine lining closely resembles the worst ovarian and breast cancers, providing the most telling evidence yet that cancer will increasingly be seen as a disease defined primarily by its genetic fingerprint rather than just by the organ where it originated. The study of endometrial cancer and another of acute myeloid leukemia were published simultaneously on Wednesday by Nature and The New England Journal of Medicine.