In vivo tumor imaging using fluorescence conjugated anti‐CEA antibody by two‐photon excitation microscopy. A three‐dimensional image of site inoculated with MKN‐GFP gastric carcinoma cells preincubated with fluorescence conjugated anti‐CEA antibody was obtained by two‐photon excitation microscopy. Issue 10 (October 2014) - Koga, Shigehiro; Oshima, Yusuke; Honkura, Naoki; Iimura, Tadahiro; Kameda, Kenji; Sato, Koichi; Yoshida, Motohira; Yamamoto, Yuji; Watanabe, Yuji; Hikita, Atsuhiko; Imamura, Takeshi