Horseshoe Kidney (Renal Fusion) (Congenital Aganglionic Megacolon) (https://www.youtube.com/watch?v=mdKt8kLGfVA) by Osmosis (https://open.osmosis.org/) is licensed under CC-BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/).