. . "C31" . . "Tumore maligno dei seni paranasali"@it . . "Tumore maligno dei seni paranasali"@it . . . . . . . "Malignant neoplasm of accessory sinuses"@en . . . "3"^^ . . . . . . "Malignant neoplasm of accessory sinuses"@en . "3"^^ . "C31" .