Non-intestinal type adenocarcinoma (non-ITAC)

What is non-intestinal-type adenocarcinoma? Non-intestinal-type adenocarcinoma (non-ITAC) is a 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-ITAC into two grades, high and low, with high-grade tumours being associated with …
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