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Table 3 Correlation of staging with recommended treatment for rectal cancer

From: The role of endoscopic ultrasound in the evaluation of rectal cancer

EUS STAGE

HISTOPATHOLOGICAL STAGING

THERAPY

UT1

Invasion of mucosa and submucosa

Excision

UT2

Invasion of tumor into the muscularis propia

Excision

UT3

Invasion of tumor through the serosa

Pre-op chemoradiotherapy → resection of tumor

UT4

Invasion of tumor into adjacent organs

Pre-op chemoradiotherapy → resection of tumor → post-op chemotherapy