Congenital diaphragmatic hernia has a better prognosis when associated with a hernia sac. Bouchghoul, Hanane; Marty, Oriane; Fouquet, Virginie; Cordier, Anne-Gaël; Senat, Marie-Victoire; Saada, Julien; Mokhtari, Mostafa; Le Sache, Nolwenn; Martinovic, Jelena; Benachi, Alexandra. Prenatal Diagnosis. 2018; 38: p.638-644. doi:10.1002/pd.5326Article