Soto, C. A. S.; Ortega, V. H. G.; Rodríguez, A. M.; Sánchez, X. T.; Elizondo, A. M.; Sánchez, S. E. T. Complex Pleural Complications in Metastatic Cholangiocarcinoma: A Case Report Highlighting Massive Subcutaneous Emphysema, Bronchopleural Fistula and Palliative Hemostatic Radiotherapy. Int Surg J 2026, 13, 1742-1747.