Figure 1: Adenocarcinoma not otherwise specified (NOS): clinical (A-B) and radiographical (C-E) appearance. A) At the clinical examination the swelling appeared as a soft elastic mass, covered by a normal appearing. B). Patient showed cheek swelling that was extended to the sub-orbital area. C) The panorex showed radiopacity in the right maxillary sinus, and a slight resorption of the maxillary tuber in its caudal portion. D-E) Axial computed tomography images reported a large radiopaque neoformation involving the alveolar process (D) and the right sinus eroding its postero-lateral and anterior wall (E) and involving the entire right palatal process.