Case ImagesSuccessful closure of postoperative bronchopleural fistula with granulation after submucosal injection and spreading of fibrin glueSatoshi Tanaka, MD1; Junji Uchida, MD, PhD1; Yasunobu Funakoshi, MD, PhD2; Kiyonobu Ueno, MD, PhD11Department of Respiratory Medicine, Osaka General Medical Center, Osaka, Japan2 Department of Thoracic Surgery, Osaka General Medical Center, Osaka, Japan

Coronavirus disease 2019 (COVID-19) can cause various complications. Pneumothorax secondary to COVID-19 is relatively uncommon and bilateral pneumothorax is even more so. In patients with poor general health to undergo surgery for pneumothorax, internal treatments are essential to relieving refractory pneumothorax.