T2 N2B M0 tonsil squamous cell carcinoma on OPTIMA protocol. There is marked interval decrease in size of the right palatine tonsil tumor, without measurable disease. There is also decrease in size of the right cervical lymphadenopathy. For example, a right level 2A lymph node measures 8 x 16 mm, initially 18 x 24 mm. The thyroid and major salivary glands are unremarkable. The osseous structures are intact. The imaged intracranial structures and orbits are unremarkable.
1. Marked decrease in size of the right palatine tonsil tumor, without measurable disease. 2. Decrease in size of the right cervical lymphadenopathy.