Transanal Surgery Offers R0 Resection for Rectal GISTs

Transanal endoscopic microsurgery (TEM) provides promising outcomes for rectal gastrointestinal stromal tumors (GISTs) while preserving function.

High rates of R0 resection were achieved in 13 patients with rectal GIST, underscoring the technique’s efficacy.
Tumor size should not automatically disqualify candidates for en-bloc excision with negative margins.

Neoadjuvant imatinib may help select borderline cases, but more extensive studies are needed to solidify patient criteria and outcomes.

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