We read with interest the article by de Frutos Rosa et al,1 comparing endoscopic submucosal dissection (ESD) vs transanal minimally invasive surgery (TAMIS) for early rectal neoplasms. Although the authors conclude noninferiority of ESD to TAMIS, we have several methodologic concerns.
We read with interest the article by de Frutos Rosa et al,1 comparing endoscopic submucosal dissection (ESD) vs transanal minimally invasive surgery (TAMIS) for early rectal neoplasms. Although the authors conclude noninferiority of ESD to TAMIS, we have several methodologic concerns.