Presentation TCT 2013 The Role of Macrophage Accumulations on Bare-Metal Stent Failure Presenting With Acute Coronary Syndrome: Observation by Optical Coherence Tomography Presenter: Yuetsu Kikuta, Hideo Takebayashi, Shigeki Hiramatsu, Manabu Tanigichi, Kenji Goto, Masahito Taniguchi, Katsumasa Sato, Etsuko Ikeda, Arata Hagikura, Hiroki Yamane, Seiichi Haruta January 31, 2013