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Congenital anomalies of the vena cava inferior (VCI) develop as a result of the persistence of the embryonic venous system. The majority of cases is clinically silent and is diagnosed in routine dissection studies, in retroperitoneal surgeries, or through imaging for other reasons. We report three cases with a double VCI. We outline our operative policy, summarize the embryological development of the VCI and present these cases as a reminder of this rare anatomical variation.