Non-intestinal-type sinonasal adenocarcinoma
What is non-intestinal-type sinonasal adenocarcinoma? Non-intestinal-type sinonasal adenocarcinoma (SNAC) is a rare type of head and neck cancer. The tumour starts from the tissue that lines the inside of the nasal cavity or the paranasal sinuses such as the ethmoid or maxillary sinus. Pathologists divide non-intestinal-type SNAC into two grades, low and high, with high-grade …
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