Proximal Colonic Dilation After Antegrade Continence Enema Treatment in Children With Severe Constipation: 2017 Presidential Poster Award: 1074. (October 2017) - Manini, Mhd Louai; Lu, Peter L.; Thompson, Benjamin P.; Koppen, Ilan J.N.; Yacob, Desale; Vaz, Karla; Lorenzo, Carlo Di