Response Options to "Microscopic tumor extension"

___ Cannot be assessed (TX)

___ No evidence of primary tumor (T0)

___ Intraepithelial carcinoma (no invasion) (Tis)

___ Intramucosal carcinoma (invasion of lamina propria) (Tis)

___ Tumor invades submucosa (T1)

___ Tumor invades muscularis propria (T2)

___ Tumor invades through the muscularis propria into the subserosa or mesoappendix

but does not extend to the serosal surface (T3)

___ Tumor penetrates serosa (visceral peritoneum) (T4a)

___ Tumor directly invades adjacent structures (specify): ___________ (T4b)

Response Options to "Lymph-vascular invasion"

___ Not identified

___ Present

       ___ Small vessel lymph-vascular invasion

       ___ Large vessel (venous) invasion

               ___ Intramural

               ___ Extramural

___ Cannot be determined

Gastrointestinal

Staging

Click here to leave feedback