Rare Bilateral Massive Pneumothorax, Pneumomediastinum, Pneumoperitoneum, and Diffuse Subcutaneous Emphysema During Colonoscopy: Multidisciplinary Collaboration: Case Report. - Liu, Li-Li; Yang, Mai-Qiao; Wu, Rui; Li, Bing-Xing; Nakayama, Yoshifumi (Case Reports in Gastrointestinal Medicine, 2025)