From: Prognostic significance of solitary lymph node metastasis in patients with squamous cell carcinoma of middle thoracic esophagus
JSED
AJCC
Anatomy
Skip (−) (n = 20)
Skip (+) (n = 13)
Skip (−) (n = 10)
Skip (+) (n = 23)
Skip (−) (n = 25)
Skip (+) (n = 8)
upper mediastinum
12
3
15
Middle mediastinum
8
1
9
Lower mediastinum
Upper abdomen
6
Cervix
2