“…15,19,35,37,38,41,42,44,47 Seven studies used a single port access device. 15,19,36,38,39,41,43 Other techniques included the use of 3 ports through a single incision. 35 Jacob et al 38 Bucher et al 36 Surgit et al 41 Agrawal et al 39 Tran 15 Do et al 19 Chung et al 42 He et al 43 Tai et al…”