“…ETV success and technical aspects of the TC/LM overture Currently, ETV is widely performed [49,42,41,27,25,20,40,26,7,39]. However, discrepancies in its e cacy can be found throughout the literature [3,7,4,13,25,26,40,42,46]. The technical details of the ETV procedure may vary among providers, although incomplete opening of the TC or LM could also contributed to these discrepancies [22,43].…”