Internal iliac veinMedian sacral veinMedian sacral veinObturator veinInternal pudendal veinMiddle rectal veinVesical plexusProstatic plexus of veinsAInternal pudendal veinMiddle rectal veinInferior rectal veinSuperior rectal veinTo hepatic portal systemTo caval systemTo caval systemAnal canalPelvic floorRectumBExternal venous plexusInternal rectalplexus
Fig. 5.68 Pelvic lymphatics.