Targeting VEGFR2 with Ramucirumab strongly impacts effector/ activated regulatory T cells and CD8+ T cells in the tumor microenvironment ======================================================================================================================================== * Yasuko Tada * Yosuke Togashi * Daisuke Kotani * Takeshi Kuwata * Eichi Sato * Akihito Kawazoe * Toshihiko Doi * Hisashi Wada * Hiroyoshi Nishikawa * Kohei Shitara