Expanding the spectrum of low‐grade sinonasal adenocarcinoma with biphasic seromucinous differentiation and activating HRAS/AKT1 mutations

Aims Low‐grade non‐intestinal‐type sinonasal adenocarcinoma (LGSNAC) is a rare heterogeneous and poorly characterised group of tumours, distinct from intestinal‐ and salivary‐type neoplasms. Therefore, further characterisation is needed for clearer biological understanding and classification. Method...

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