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EUS: T-STAGING
The oesophageal wall is visualized as five
alternating layers of differing echogenicity,
allowing accurate preoperative
determination of the depth of tumour
invasion .
Endoscopic US can accurately help differentiate
between T1, T2, and T3 disease, which is important
for neoadjuvant treatment
T2 N0
T4 - Trachea
T2 N1