From: Nodal skip metastasis in thoracic esophageal squamous cell carcinoma: a cohort study
Number | 88 |
Age (years)a | 62 (57–70) |
Sex Male: Female | 71:17 |
Advanced liver disease | 18 (20.5) |
Pulmonary disease | 17 (19.3) |
Tumor location: | |
Upper thoracic esophagus | 14 (15.9) |
Middle thoracic esophagus | 38 (43.2) |
Lower thoracic esophagus | 36 (40.9) |
Tumor differentiation: | |
Well | 16 (18.2) |
Moderately | 57 (64.8) |
Poor | 15 (17.0) |
Tumor length (mm)a | 50 (40–70) |
Pathologic T stage | |
T1 | 11 (12.5) |
T2 | 10 (11.4) |
T3 | 58 (65.9) |
T4 | 9 (10.2) |
Harvested lymph nodesa | 17 (12–25) |
Lymph node metastasis: | |
Peritumoral or Peritumoral and distant (non-NSM) | 72 (81.8) |
Only distant (NSM) | 16 (18.2) |
Adjuvant therapy: yes | 28 (31.8) |