Is the estrogen the cause of the endometrial cancer?

Call the estrogen which is the one of the female sex hormone to be said to have a deep relation with endometrial cancer with the ovarian follicle hormone and melt into a fat cell, and there is it.
With the hormone which the estrogen gives action only for the womb, and prepares for the ovulation for the end period of the physiology from the time in the ovulation first half year of the secretion rise, but wake up underdevelopment / menstruation abnormality of the womb when estrogen causes lack adversely.
You do ", a" bone keeping "which the estrogen does a" feeling for a work with a hormone controlling the body of the woman and the function of the heart cheerily, and maintains youth, "doing" skin in dampness, moisture of the "hair soundly, and you do" to harden, "which you are strong and do a" blood vessel, and prevent arteriosclerosis, "which you do the memory cell of the" brain lively, and keep a memory, the activity of the "womb / the ovary / the breast / the vagina lively, and the effects such as" which you are wet and do ", a" vagina letting you promote ovulation, and menstruation blood increase, and prevents colpitis are the important things which there is more.
Secretion decreases rapidly, and such the important estrogen writes the menopausal disorders such as depression, a sleeplessness symptom, a weariness symptom, the irritation symptom from the 40's middle part, and the estrogen secreted with a climacteric by the ovary disappears, but it is said that you are estrogenic, and androgenic (the one of the male hormones) secreted than the ovary and an adrenal gland changes with a fat cell, and this participates in the onset of the postmenopausal endometrial cancer.