title: Severe fibrotic obstruction of Hancock conduit after Fontan operation.
mesh_terms: D001705:Bioprosthesis / Q000009:adverse effects*; D001807:Blood Vessel Prosthesis / Q000009:adverse effects*; D006348:Cardiac Surgical Procedures / Q000379:methods; D002648:Child; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male