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Table 1 Clinicopathological characteristic of patients

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

  All cases (1521, %) LN metastasis along the left gastric artery (256, %)
Age (years)
  ≤ 60 938 (61.7) 163 (63.7)
  > 60 583 (38.3) 93 (36.3)
Gender
 Male 1174 (77.2) 227 (88.7)
 Female 347 (22.8) 29 (11.3)
Smoking history
 Yes 998 (65.6) 186 (72.7)
 No 523 (34.4) 70 (27.3)
Drinking history
 Yes 531 (34.9) 113 (44.1)
 No 990 (65.1) 143 (55.9)
Differentiation
 Well 388 (25.5) 54 (21.1)
 Moderate 711 (46.7) 106 (41.4)
 Poor/un- 422 (27.7) 96 (37.5)
Vascular invasion
 Yes 33 (2.2) 14 (5.5)
 No 1488 (97.8) 242 (94.5)
Tumor location
 Upper thoracic esophagus 255 (16.8) 11 (4.3)
 Middle thoracic esophagus 775 (50.9) 117 (45.7)
 Lower thoracic esophagus 491 (32.3) 128 (50.0)
Tumor length
  < 3 396 (26.0) 44 (17.2)
 3–5 890 (58.5) 161 (62.9)
  > 5 235 (15.5) 51 (19.9)
T stage
 Tis 30 (2.0) 0
 T1 147 (9.7) 16 (6.3)
 T2 349 (22.9) 36 (14.1)
 T3 961 (63.2) 189 (73.8)
 T4 34 (2.2) 15 (5.9)
N staging
 N0 923 (60.7) 0
 N1 340 (22.4) 108 (42.2)
 N2 199 (13.1) 106 (41.4)
 N3 59 (3.9) 42 (16.4)
AJCC 8th stage
 Stage 0 30 (2.0) 0
 Stage I 193 (12.7) 0
 Stage II 715 (47.0) 14 (5.5)
 Stage III 507 (33.3) 192 (75.0)
 Stage IV 76 (5.0) 50 (19.5)
Neoadjuvant therapy
 Yes 73 (4.8) 12 (4.7)
 No 1448 (95.2) 244 (95.3)
Postoperative adjuvant therapy
 Yes 243 (16.0) 82 (32.0)
 No 1278 (84.0) 174 (68.0)
Subcarinal LN metastasis
 Yes 112 (7.4) 49 (19.1)
 No 1409 (92.6) 207 (80.9)
Recurrent laryngeal nerve LN metastasis
 Yes 117 (7.7) 24 (9.4)
 No 1404 (92.3) 232 (90.6)
Left gastric artery LN metastasis
 Yes 256 (16.8)  
 No 1265 (83.2)  
Number of resected TLNs
 Mean ± SD 20.98 ± 13.54 22.19 ± 11.62
 Median (minimum, maximum) 18.00 (1, 109) 19.00 (5, 87)
  1. Displayed the clinicopathological characteristic of patients with Esophageal Squamous Cell Carcinoma (ESCC), and showed the proportions in all the subjects and in left gastric artery lymph node metastasis of these factors.
  2. LN Lymph node, TLNs Total lymph node.