First, we measured the expression of the uterine-associated transcription factor HOXB6 [73, 74], and the UCEC serous ovarian tumor biomarker WT1 [75] in SK-OV-3, in the OV cell line Caov-4, and in the UCEC cell line HEC-59. The gene discussed is HOXB6; the disease is ovarian serous tumor.