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Table 2 Details of LNM and TNM stage

From: Prognostic impact of lymph node metastasis along the left gastric artery in esophageal squamous cell carcinoma

  0
(30, %)
I
(193, %)
II
(715, %)
III
(507, %)
IV (76, %) Total P value
LNM in thorax        <  0.001
 No 30 (100.0) 193 (100.0) 706 (98.7) 147 (29.0) 9 (11.8) 1085  
 Yes 0 (0.0) 0 (0.0) 9 (1.3) 360 (71.0) 67 (88.2) 436  
LNM in upper abdomen        <  0.001
 No 30 (100.0) 193 (100.0) 700 (97.9) 234 (46.2) 16 (21.1) 1173  
 Yes 0 (0.0) 0 (0.0) 15 (2.1) 273 (53.8) 60 (78.9) 348  
LNM cervical        <  0.001
 No 30 (100.0) 193 (100.0) 714 (99.9) 488 (96.3) 68 (89.5) 1456  
 Yes 0 (0.0) 0 (0.0) 1 (0.1) 19 (3.7) 8 (10.5) 23  
Subcarinal LN metastasis        < 0.001
 No 30 (100.0) 193 (100.0) 714 (99.9) 429 (84.6) 43 (56.6) 1409  
 Yes 0 (0.0) 0 (0.0) 1 (0.1) 78 (15.4) 33 (43.4) 112  
Recurrent laryngeal nerve LN metastasis        < 0.001
 No 25 (100.0) 171 (100.0) 708 (99.0) 417 (82.2) 56 (73.7) 1404  
 Yes 0 (0.0) 0 (0.0) 7 (1.0) 90 (17.8) 20 (26.3) 117  
Left gastric artery LN metastasis        < 0.001
 No 25 (100.0) 171 (100.0) 701 (98.0) 315 (62.1) 26 (34.2) 1265  
 Yes 0 (0.0) 0 (0.0) 14 (2.0) 37.9 (41.1) 50 (65.8) 256  
  1. Displayed the different pattern of LNM in different N stage, and the significance was conducted with Fisher’s exact test.