Large tumour in the right maxillary sinus destructing the sinus walls, the zygomatic bone, the adjacent hard palate and the maxillary alveolus. Anteriorly, the mass extends to the premaxillary soft tissue. Posteriorly, there is an extension to the retroantral fat, pterygomaxillary fissure and the pterygopalatine fossa. Superiorly, the mass extends to the floor of the right orbit. The mass measures 5.5x4.5x4.5 cm in its maximum dimensions.
No cervical lymphadenopathy.