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OESOPHAGUS 7
TH
EDITION
(2009)
Oesophageal carcinoma is staged by using
the TNM classification, which was updated
by the AJCCin 2009 and includes tumours of
the stomach centered within 5 cm of the
gastroesophageal junction that extend into
the oesophagus
Tis Carcinoma in situ /High-grade dysplasia
T1 lamina propria / submucosa
T1a lamina propria / muscularis mucosae
T1b submucosa
T2
muscularis propria
T3
adventitia
T4
adjacent structures
T4a pleura, pericardium, diaphragm, or
adjacent peritoneum
T4b other adjacent structures,
( aorta, vertebral body, trachea )
N0 No regional ly ph node metasta is
N1
1 to 2 regional lymph nodes
N2
3 to 6
N3
>6
M0 No Distant Metastasis
M1
Distant metastasis present