CLINICAL OUTCOMES OF NEOADJUVANT CONCURRENT CHEMORADIOTHERAPY USING VOLUMETRIC MODULATED ARC THERAPY IN PATIENTS WITH STAGE II-IVA MIDDLE AND LOWER THORACIC ESOPHAGEAL CANCER. YHCĐ. 2026;67(Số CĐ12- Bệnh viện Ung bướu Nghệ An). doi:10.52163/yhc.v67iCD12.6130