system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
True about parotid tumor:a) Pleomorphic adenoma is the most common varietyb) Malignant disease is most common varietyc) Facial nerve involvement indicates malignancyd) Superficial paroditectomy is the t/t of choice
assistant
The correct answer is  In parotid tumors, rapid growth, pain, paraesthesia, enlarged cervical LN and restriction of jaw movements, facial weakness or skin invasion and fixation of mastoid tip is suggestive of malignant transformation.