Table 1: Agreement between pretreatment three-dimentional ultrasound and definitive pathologic tumor categories after resection in 18 patients with rectal cancer without indication for chemoradiation.
Pathologic analysis | |||||
pT0 | pT1 | pT2 | pT3 | Total | |
Pretreatment 3D-US | |||||
uT0 | 12a | 0 | 0 | 0 | 12 |
uT1 | 1b | 2a | 0 | 0 | 03 |
uT2 | 0 | 0 | 1a | 0 | 01 |
uT3 | 0 | 0 | 0 | 2a | 02 |
Total | 13 | 2 | 1 | 2 | 18 |
3D-US: three-dimensional ultrasound; uT = preoperative ultrasonographic staging; pT = definitive pathologic staging.
aConcordant findings; bOverstaging with 3D-US.