Modified Double Snare Assisted EMR (mDS-EMR) VS ESD for Rectal Neuroendocrine Tumors Smaller Than 1cm
Conditions
- Rectal Neuroendocrine Tumors
Interventions
- PROCEDURE: modified double snare assisted endoscopic mucosal resection
- PROCEDURE: endoscopic submucosal dissection
Sponsor
The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School