Esophageal Squamous Cell Carcinoma Masquerading as Achalasia: A Case Report on Diagnostic Pitfalls and Therapeutic Strategies. AMCR [Internet]. 2025 May 20 [cited 2026 Aug. 14];6(3):1405-18. Available from: https://hmpublisher.com/index.php/AMCR/article/view/760