T1N0 acinic cell carcinoma of the left lower posterior alveolus status s/p WLE 4/2015: new pain to left posterior lower molars for 3 months, no dental origin per endodontist. There is no evidence of measurable mass lesions or significant cervical lymphadenopathy, including a left level 2A lymph node that measures up to 10 mm in short axis. The mandible appears to be intact. There is unchanged mild diffuse prominence of the palatine tonsils, which is nonspecific. The tongue and rest of the upper aerodigestive tract appear to be intact. The thyroid and major salivary glands are unremarkable. The major cervical vessels flow voids are intact. There is moderate mucosal thickening in the left maxillary sinus. The airways are patent. The imaged intracranial structures are unremarkable. There is residual thymic tissue in the anterior superior mediastinum.
No evidence of measurable mass lesions or significant cervical lymphadenopathy.