<prompt> Wahin tumour is:Adenolymphoma of parotid glandPleomorphic adenoma of parotidCarcinoma of parotidCarcinoma of submandibular salivary gland  <response>: Wahin Tumor: Papillary Cystadenoma Lymphomatosum Benign neoplasm of salivary gland Arises almost exclusively in parotid gland Round to oval encapsulated masses, 2 to 5 cm in diameter ME -These spaces are lined by a double layer of neoplastic epithelial cells which might have germinal centres, resting on a dense lymphoid stroma . 