<prompt> Treatment for stage T3 N1 of carcinoma maxilla is:Radiation therapy onlyChemotherapy onlySurgery and radiationChemotherapy and radiation  <response>: Ans. c Surgery and radiationRef: Bailey 26e p718Carcinoma of Sinuses: MC sinus involved - Maxillary Sinus Ethmoidal sinus Maxillary tumors spread to Submandibular Nodes Level 1 Ethmoid tumors spread to Jugulo-digastric Level 2 nodes Sinus cancers are common in people working in Furniture industry, Nickel Industry and leather industry. Exposure to Mustard causes Sinus cancers. More than 80 are Squamous cancers. Treatment of SCC Maxillary sinus - Combined Surgery RT 