Does recurrent laryngeal nerve lymph node metastasis really affect the prognosis in node-positive patients with squamous cell carcinoma of the middle thoracic esophagus?

[11] Baba M(1997)Prognostic Value of thoracic recurrent nerve nodal involvement in esophageal squamous cell carcinoma J Am Coll Surg 185 244-249

[12] Aikou T(2006)Impact of the number and extent of positive lymph nodes in 200 patients with thoracic esophageal squamous cell carcinoma after three-field lymph node dissection World J Surg 30 1441-1449

[13] Yoshinaka H(2009)Prognostic variables in thoracic esophageal squamous cell carcinoma Ann Thorac Surg 87 1056-1065

[14] Natsugoe S(2010)Impact of lymph-node metastasis site in patients with thoracic esophageal cancer J Surg Oncol 101 36-42

[15] Fukumoto T(2010)7th edition of the AJCC cancer staging manual: Esophagus and esophagogastric junction Ann Surg Oncol 17 1721-1724

[16] Shimazu H(2008)Ivor Lewis subtotal esophagectomy with two-field lymphadenectomy for squamous cell carcinoma of the lower thoracic esophagus World J Gastroenterol 14 5084-5089

[17] Akazawa K(1994)More or less surgery for esophageal cancer: extent of lymphadenectomy for squamous cell carcinoma: how much is necessary? Dis Esophagus 7 151-155

[18] Sato F(1958)Nonparametric estimation from incomplete observations J Am Stat Assoc 53 457-481

[19] Shimada Y(1977)Design and analysis of randomized clinical trials requiring prolonged observation of each patient. II. analysis and examples Br J Cancer 35 1-39

[20] Li Z(1982)Statistical significance tests Br J Clin Pharmacol 14 325-331

[11] Baba M(1997)Prognostic Value of thoracic recurrent nerve nodal involvement in esophageal squamous cell carcinoma J Am Coll Surg 185 244-249

[12] Aikou T(2006)Impact of the number and extent of positive lymph nodes in 200 patients with thoracic esophageal squamous cell carcinoma after three-field lymph node dissection World J Surg 30 1441-1449

[13] Yoshinaka H(2009)Prognostic variables in thoracic esophageal squamous cell carcinoma Ann Thorac Surg 87 1056-1065

[14] Natsugoe S(2010)Impact of lymph-node metastasis site in patients with thoracic esophageal cancer J Surg Oncol 101 36-42

[15] Fukumoto T(2010)7th edition of the AJCC cancer staging manual: Esophagus and esophagogastric junction Ann Surg Oncol 17 1721-1724

[16] Shimazu H(2008)Ivor Lewis subtotal esophagectomy with two-field lymphadenectomy for squamous cell carcinoma of the lower thoracic esophagus World J Gastroenterol 14 5084-5089

[17] Akazawa K(1994)More or less surgery for esophageal cancer: extent of lymphadenectomy for squamous cell carcinoma: how much is necessary? Dis Esophagus 7 151-155

[18] Sato F(1958)Nonparametric estimation from incomplete observations J Am Stat Assoc 53 457-481

[19] Shimada Y(1977)Design and analysis of randomized clinical trials requiring prolonged observation of each patient. II. analysis and examples Br J Cancer 35 1-39

[20] Li Z(1982)Statistical significance tests Br J Clin Pharmacol 14 325-331