Megacystis-Microcolon-Intestinal Hypoperistalsis Syndrome 5, is also known as mmihs5. An important gene associated with Megacystis-Microcolon-Intestinal Hypoperistalsis Syndrome 5 is ACTG2 (Actin Gamma 2, Smooth Muscle). Affiliated tissues include smooth muscle and testes, and related phenotypes are intestinal malrotation and megacystis