You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Most common malignant tumour of parotid is and explain in detail?
Mucoepidermoid carcinoma is the most common malignant tumor of the parotid gland and can be divided into low-grade and high-grade tumorsRef: Sabiston, 20e, page no: 830