The 15th International Symposium of the Japan Human Cell Society on Cell and Molecular Biology of Endometrial Carcinoma brought together leading researchers from Japan and around the world. The papers collected here are the work of twenty-two leaders in their field and are organized in ten major categories. The first section, in vitro experimental systems, takes up the pioneering work by Kuramoto in 1968 and Nishida in 1980 in establishing, respectively, the HEC-1 and hormone-responsive endometrial carcinoma cell lines. Other topics include apoptosis, proliferation, and growth factors;...