SMARCB1 and nasal cavity and paranasal sinus carcinoma: There are several new distinct entities in the nasal cavity and paranasal sinus regions that have been added to the latest edition of the WHO-HNT, including nuclear protein in testis carcinomas, human papillomavirus–related sinonasal carcinomas, SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily B member 1–deficient sinonasal carcinomas, renal cell-like adenocarcinomas, chondromesenchymal hamartomas, seromucinous hamartoma, NUT carcinoma, and biphenotypic sinonasal sarcoma (BSNS) [9].