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Table 1 Patient demographics and tumor characteristics

From: Diagnostic value of intraoperative ultrasonography in assessing thoracic recurrent laryngeal nerve lymph nodes in patients with esophageal cancer

  Number of patients
Median age, year (range) 60 (46–81)
Gender (%)
 Male 51 (85%)
 Female 9 (15%)
Tumor location (%)
 Upper 8 (13.3%)
 Middle 44 (73.4%)
 Lower 5 (8.3%)
 Mutiple 3 (5%)
Clinical stage (%)
 IA 1 (1.7%)
 IB 3 (5%)
 IIA 1 (1.7%)
 IIB 23 (38.3%)
 IIIA 20 (33.3%)
 IIIB 5 (8.3%)
 IIIC 7 (11.7%)
Pathological stage (%)
 IA 2 (3.3%)
 IB 7 (11.7%)
 IIA 1 (1.7%)
 IIB 13 (21.7%)
 IIIA 12 (20.0%)
 IIIB 10 (16.7%)
 IIIC 10 (16.7%)
 PCR 5 (8.3%)
Histologic grade (%)
 G1 8 (13.3%)
 G2 34 (56.7%)
 G3 17 (28.3%)
 G4 1 (1.7%)
Operation approach (%)
 Thoracotomy 25 (41.7%)
 VATS 35 (58.3%)
Neoadjuvant
 No 46 (76.7%)
 CRT 11 (18.3%)
 CT 3 (5%)
Intraoperative RLN injury (%)
 Yes 24 (40%)
 No 36 (60%)
  1. Abbreviations: CRT Chemoradiotherapy, CT Computed tomography, PCR Pathologic complete response, RLN Recurrent laryngeal nerve, VATS Video-assisted thoracic surgery
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