From closure to catastrophe: Pneumonectomy following missed aortic pseudoaneurysm after transcatheter closure of patent ductus arteriosus. - Kumar, Amit; Saxena, Anita; Iyer, Krishna Subramony; Das, Soumyaranjan; Girotra, Sumir; Iyer, Parvathi (Annals of Pediatric Cardiology, 2025)