Kumakura Y, Yokobori T, Yoshida T, Hara K, Sakai M, Sohda M, Miyazaki T, Yokoo H, Handa T, Oyama T, Yorifuji H, Kuwano H. Elucidation of the Anatomical Mechanism of Nodal Skip Metastasis in Superficial Thoracic Esophageal Squamous Cell Carcinoma. Ann Surg Oncol, 25(5): 1221-1228, 2018.