title: Gastrointestinal Perforation and Fistula Formation in 5 Patients With Colorectal Cancer During Treatment With Regorafenib.
authors.affiliation: Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan.
authors.forename: Ayako
authors.initials: A
authors.lastname: Doi
authors.affiliation: Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Department of Experimental Therapeutics, National Cancer Center Hospital East, Kashiwa, Japan. Electronic address: ykuboki@east.ncc.go.jp.
authors.forename: Yasutoshi
authors.initials: Y
authors.lastname: Kuboki
authors.affiliation: Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan.
authors.forename: Kohei
authors.initials: K
authors.lastname: Shitara
authors.affiliation: Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan.
authors.forename: Shota
authors.initials: S
authors.lastname: Fukuoka
authors.affiliation: Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan.
authors.forename: Hideaki
authors.initials: H
authors.lastname: Bando
authors.affiliation: Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan.
authors.forename: Wataru
authors.initials: W
authors.lastname: Okamoto
authors.affiliation: Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan.
authors.forename: Takashi
authors.initials: T
authors.lastname: Kojima
authors.affiliation: Department of Experimental Therapeutics, National Cancer Center Hospital East, Kashiwa, Japan.
authors.forename: Toshihiko
authors.initials: T
authors.lastname: Doi
authors.affiliation: National Cancer Center Hospital East, Kashiwa, Japan.
authors.forename: Atsushi
authors.initials: A
authors.lastname: Ohtsu
authors.affiliation: Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan.
authors.forename: Takayuki
authors.initials: T
authors.lastname: Yoshino
keywords: Chemotherapy; GI perforation mCRC; Regorafenib; VEGF