<unk>  is a general term for a malignant neoplasm arising from the uncontrolled proliferation of transformed cells of epithelial origin, or showing some epithelial characteristics, but that reveal no cytological or architectural features associated with more differentiated tumors, such as the glandular formation or special cellular junctions that are typical of adenocarcinoma and squamous cell carcinoma, respectively. Specific types include: *<unk>  astrocytoma *<unk>  large-cell lymphoma *<unk>  meningioma *<unk>  thyroid cancer
Anaplastic carcinoma
Verrucous carcinoma
Adenosquamous carcinoma
Metaplastic carcinoma
Basal-like carcinoma
Mucinous carcinoma
Lymphoepithelioma-like carcinoma
Ceruminous adenocarcinoma