The aim of this research study is to evaluate the effectiveness and safety of a combination of immunotherapy, using a drug called toripalimab, with chemotherapy drugs, Carboplatin and Docetaxel, as a possible treatment before surgery for sinonasal cancers.
The names of the study drugs used in this research study are:
* Toripalimab (a type of monoclonal antibody)
* Carboplatin (a type of antineoplastic agent)
* Docetaxel (a type of antineoplastic agent)
* Cisplatin (a type of antineoplastic agent)