MANAGEMENT OF IMMUNE CHECKPOINT INHIBITOR-RELATED PNEUMONITIS IN PATIENTS WITH ESOPHAGEAL CANCER: A NARRATIVE REVIEW WITH 3 ILLUSTRATIVE CLINICAL CASES AT VIETNAM NATIONAL CANCER HOSPITAL . YHCĐ [Internet]. 2026 Aug. 14 [cited 2026 Sept. 8];67(Số CĐ12- Bệnh viện Ung bướu Nghệ An). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/6153