“…In similar, There were 4 cases of conversion in our series due to adhesions (1 patient), bleeding (1 patient), and technical failure (2 patients); this conversion reached 16%(4/25), however, the LCD done after ERCP failure conversion rate was 34.3% and 34.4% in Karaliotas et al, 2015 [ 28 ], and Karaliotas et al, 2008 [ 41 ] studies respectively, while it reached 4.35% in Jinfeng et al, 2016 [ 32 ] study that was performed in non-dilated CBD after endoscopic failure, and reached 10% in Khan et al, 2015 [ 64 ] study for impacted stones, on the other hand, LCD conversion to open ranged between 0.8% and 26.6% in Tokumura et al, 2002 [ 66 ], Grubnik et al, 2012 [ 67 ], Jinfeng et al, 2016 [ 32 ]. Jinfeng et al, 2016 [ 1 ], Quaresima et al, 2017 [ 4 ], Korontzi et al, 2012 [ 18 ], Mattila et al, 2017 [ 65 ], and Deo et al, 2018 [ 70 ] studies. Conversely, there was no post-LCD conversion in Zhan et al, 2016 [ 7 ], Khaled et al, 2013 [ 68 ], and Vindal et al, 2015 [ 69 ] studies.…”