A Case of Radiation Fibrosis Appearing as Mass-Like Consolidation after SBRT with Elevation of Serum CEA oleh Kotaro Terashima, Yoshiyuki Shioyama, Satoshi Nomoto, Saiji Ohga, Takeshi Nonoshita, Kayoko Ohnishi, Kazushige Atsumi, Hidetake Yabuuchi, Hideki Hirata, Hiroshi Honda