A 50-year-old woman presents with a slowly enlarging, painful mass at the angle of the right jaw. A biopsy of the mass is shown in the image. Which of the following is the most likely diagnosis?
- Acinic cell carcinoma
- Adenoid cystic carcinoma
- Malignant mixed tumor
- Malignant oncocytoma
- Mucoepidermoid carcinoma