“…More recently, transanal minimally invasive endoscopic excision of rectal GISTs has been applied as a fifth approach. This includes TEM (Richard Wolf, IL, USA) and TAMIS commonly using either GelPOINT path transanal access platform (Applied medical, CA, USA) or SILS (Covidien, MA, USA) [ 7 ]. In our cases, we used a more recent TEO platform for local excision of two rectal GISTs using the same oncologic principles of the TEM surgery ( Table 1 ).…”