A salivary gland tumour, which histologically shows a double layer of epithelial cells based on a reactive lymphoid stroma is_______________?
A salivary gland tumour, which histologically shows a double layer of epithelial cells based on a reactive lymphoid stroma is_______________?
A. Pleomorphic adenoma
B. Mucoepidermoid carcinoma
C. Acinic cell tumour
D. Warthin tumour