title: Invited commentary.
authors.affiliation: Cardiothoracic Surgery, Leiden University Medical Center, PO Box 9600, Leiden, 2300 RC, The Netherlands. m.g.hazekamp@lumc.nl
authors.forename: Mark
authors.initials: M
authors.lastname: Hazekamp
mesh_terms: D000714:Anastomosis, Surgical; D018729:Fontan Procedure; D006801:Humans; D008955:Models, Cardiovascular; D011651:Pulmonary Artery / Q000601:surgery; D014682:Vena Cava, Inferior / Q000601:surgery; D014683:Vena Cava, Superior / Q000601:surgery