This cluster of papers focuses on the pathology, genetics, diagnosis, and treatment of various salivary gland tumors and carcinomas, including adenoid cystic carcinoma, mucoepidermoid carcinoma, mammary analogue secretory carcinoma, and myoepithelial tumors. It explores molecular classifications, prognostic factors, fusion genes, fine-needle aspiration cytology, and the role of radiotherapy in the management of these tumors.