Classification | Oesophagus | Gastric |
---|---|---|
T1 | Lamina propria, submucosa | Lamina propria, submucosa |
T2 | Muscularis propria | Muscularis propria, subserosa |
T3 | Adventitia | Penetrates serosa |
T4 | Adjacent structures | Adjacent structures |
N1 | Regional nodes | 1–6 nodes |
N2 | 7–15 nodes | |
N3 | >15 nodes | |
M1 | Distant metastasis | Distant metastasis |
Tumours of lower oesophagus | ||
M1a | Coeliac nodes | |
M1b | Other distant metastasis | |
Tumours of mid thoracic oesophagus | ||
M1b | Distant metastasis including non-regional lymph nodes | |
Tumours of upper thoracic oesophagus | ||
M1a | Cervical nodes | |
M1b | Other distant metastasis |