Diagnostic performance of transcutaneous laryngeal ultrasound for vocal cord paralysis after esophagectomy: a systematic review and meta-analysis. - Luo X; Xiong J; Liang S; Jiang Z; Chen H; Han Y; Daiko H; Wang I; Leng X; Zhu Y (Esophagus : official journal of the Japan Esophageal Society, 2026)