Balloon pulmonary angioplasty for chronic thromboembolic pulmonary disease without pulmonary hypertension. - Kiko, Takatoyo; Asano, Ryotaro; Endo, Hiroyuki; Nishi, Naruhiro; Hayashi, Hiroya; Kotoku, Akiyuki; Horinouchi, Hiroki; Ueda, Jin; Aoki, Tatsuo; Tsuji, Akihiro; Fukuda, Tetsuya; Ogo, Takeshi (Pulmonary Circulation, 2024)