[Influencing factors and results of conversions in minimally invasive liver surgery : A single-center analysis of over 1200 consecutive cases]. - Haep N; Illies L; Choi YJ; Knitter S; Haber P; Krenzien F; Raschzok N; Pratschke J; Schöning W (Chirurgie (Heidelberg, Germany), 2026)