Histopathological changes of the Eustachian tube mucosa following balloon Eustachian tuboplasty in children: insights from standard endovascular balloon application. - Hassan, Abdelrahman Mostafa; Elgarem, Hani Farouk; Sheta, Eman; Sheweal, Yasser Gaber; Ashry, Yehia Mohammed (Scientific Reports, 2026)