Table 3: Agreement between three-dimentional ultrasound 50-60 days after completion of neoadjuvant chemoradiotherapy and pathologic identification of residual tumor or complete response in the rectal wall.
Pathologic analysis | |||
---|---|---|---|
Residual tumors in the rectal wall | Complete response | Total | |
Post-chemoradiation 3D-US | |||
Residual tumor | 52a | 8b | 60 |
Complete response | 1c | 7c | 8 |
Total | 53 | 15 | 68 |
3D-US: three-dimensional ultrasound.
aConcordant findings; bOverstaging with 3D-US; cUnderstaging with 3D-US.