Rectal

Question 1

8 criteria to consider for transanal excision

Answer 1

Superficial T0 or T1 rectal cancer

Tumor less than 3 cm in diameter.

Tumor involves <30 percent of the bowel lumen circumference.

Tumor is mobile and nonfixed.

Able to achieve clear margins with local excision.

No bad path features: high grade, no lymphovascular or perineural invasion).

●No radiographic evidence of metastatic disease to regional nodes (N0).

●Patient compliant with aggressive postoperative surveillance