Adenoid cystic carcinoma is a rare type of cancer that can exist in many different body sites. This tumor most often occurs in the salivary glands, but it can also be found in many anatomic sites, including the breast,[1][2] lacrimal gland, lung, brain, Bartholin gland, trachea, and the paranasal sinuses.

Reference
Wiki: Oral adenoid cystic carcinoma