Hemoptysis after coil embolization for pulmonary arteriovenous malformation: Histopathological confirmation of bronchial epithelium extension oleh Takashi Yanagihara, MD, Masashi Shimohira, MD, Masanori Inoue, MD, Keita Nakayama, MD, Masashi Tamura, MD, Seishi Nakatsuka, MD, Hideo Hattori, MD, Katsura Emoto, MD, Keisuke Yokota, MD, Katsuhiro Okuda, MD, Ryoichi Nakanishi, MD, Kaoru Kaseda, MD, Chihaya Maeda, MD, Keisuke Asakura, MD, Akio Hiwatashi, MD