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Staging: UICC
Stomach 8th edition, 2017
Tis: High grade intraepithelial neoplasia/dysplasia without infiltration of l. propria
T1: T1a: lamina propria or muscularis mucosae
T1b: submucosa
T2: mucularis propria
T3: sub-serosa
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: perforation of serosa
T4b: other adjacent structures (e.g. spleen, colon)
N1: 1-2 regional lymph node(s)
N2: 3-6
N3: 3a:7-15
3b:16 and more
M1: Distant metastasis