Eosinophilic Cholecystitis Associated with Eosinophilic Granulomatosis with Polyangiitis oleh Hiroyuki Ito, Yusuke Mishima, Tsubomi Cho, Naoki Ogiwara, Yoshimasa Shinma, Masashi Yokota, Kazuya Anzai, Shingo Tsuda, Junko Nagata, Seiichiro Kojima, Noriko Sasaki, Takayuki Wakabayashi, Norihito Watanabe, Takayoshi Suzuki