SLC25A16 and nasopharyngeal type undifferentiated carcinoma: They considered patients with micropapillary, nested, or basaloid morphology or glandular divergent differentiation carcinoma as high-risk HGT1, while the presence of divergent squamous differentiation, inverted growth, microcystic, and villouslike or lymphoepithelioma-like carcinoma was considered as low-risk HGT1 (15).