<prompt> Tumor seen exclusively in parotid:Wahin tumorPleomorphic adenomaMucoepidermoidAdenoid cystic carcinoma  <response>: Wahin Tumor: Viually restricted to the parotid gland More common in Male; Smoking is most impoant risk factor EXTRA EDGE: Most common salivary gland tumor - Pleomorphic Adenoma. Most common Benign salivary gland tumor - Pleomorphic Adenoma MC Primary malignant salivary gland tumor - Mucoepidermoid carcinoma. Adenoid cystic carcinoma - Most aggressive salivary tumor, can cause perineural invasion. Larger the size of salivary gland more likely its benign. Smaller the size of salivary gland more likely its malignant. MC salivary gland involved - parotid gland submandibular gland. 