Most common malignant tumour of parotid is
Acinic cell carcinoma
Mucoepidermoid carcinoma
Squamous cell carcinoma
Adenocystic carcinoma
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
Head and neck