Hypoxia-induced reactive oxygen species cause chromosomal abnormalities in endothelial cells in the tumor microenvironment. oleh Miyako Kondoh, Noritaka Ohga, Kosuke Akiyama, Yasuhiro Hida, Nako Maishi, Alam Mohammad Towfik, Nobuo Inoue, Masanobu Shindoh, Kyoko Hida