An unusual case of malignant esophago-pulmonary fistula secondary to esophageal carcinoma. Indian Journal of Case Reports, [S. l.], v. 4, n. 3, p. 221–223, 2018. DOI: 10.32677/ijcr.v4i3.981. Disponível em: https://mansapublishers.com/ijcr/article/view/981. Acesso em: 19 aug. 2026.