Ayala Antonio MJ, Velita Miranda NK, Huiza Centeno XL, Torres-Salinas C. Cervical lymph node metastasis as the initial presentation of poorly differentiated esophageal carcinoma mimicking breast origin: a diagnostic challenge. Rev Gastroenterol Peru [nternet]. 2026 Sep. 12 [cited 2026 Nov. 13];46(3):329-34. vailable from: https://revistagastroperu.com/index.php/rgp/article/view/2254