Vaginal "tunnel flap" technique for urethral neomeatus reconstruction after distal urethrectomy in advanced vulvar cancer: a case report with anatomical insights. - Ceccaroni, Marcello; Ferrari, Filippo Alberto; Roviglione, Giovanni; Bruni, Francesco; Mantovani, Giulia; Bogani, Giorgio; Cristofoli, Cesare; Masini, Gaia; Leone Roberti Maggiore, Umberto (Frontiers in medicine, 2026)