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Staging: UICC
Oesophagus 8th edition, 2017
TNM definitions: AJCC = UICC
Tis: High grade intraepithelial neoplasia/dysplasia
T1: T1a: lamina propria or muscularis mucosae
T1b: submucosa
T2: mucularis propria
T3: adventitia
Institute of Pathology | Alexander Quaas
Gastrointestinal Cancer Group Cologne (GCGC)
Applies to carcinoma (ICD-0 C15) and includes adenocarcinoma of the oesophagogastric junction (ICD-0 C16.0)
T4: T4a: pleura, pericardium, diaphragm, peritoneum
T4b: other adjacent structures (e.g. aorta, trachea)
N1: 1-2 regional lymph node(s)
N2: 3-6
N3: >6
M1: Distant metastasis