PO-0845: Role of postoperative RT (PORT) after compartmental surgery for locally advanced oral cavity tumors. (November 2020) - Alterio, D.; Augugliaro, M.; Tagliabue, M.; Marvaso, G.; Bruschini, R.; Ferrari, A.; Oneta, O.; Zerella, M.A.; Turturici, I.; Ansarin, M.; Orecchia, R.; Jereczek-Fossa, B.A.