RT Journal A1 McQuillan TC, Castles L T1 CAn the common bile duct drain into the fourth part of the duodenum? JF Archives of Surgery JO Archives of Surgery YR 1989 FD August 1 VO 124 IS 8 SP 984 OP 985 DO 10.1001/archsurg.1989.01410080120021 UL http://dx.doi.org/10.1001/archsurg.1989.01410080120021 AB • An interesting case masqueraded as a case of the common bile duct entering the fourth part of the duodenum; this is an extremely rare anomaly. A review of the literature was performed. Surgeons should be cautioned about this anomaly with regard to operative procedures for treatment.(Arch Surg 1989;124:984-985)