Hello, How bad is the snoring ? Are you spending sleepless nights with sound enveloping you, and your friend enjoying a peaceful sound (pun intended ) sleep ! As his X-Ray reveals that he has a deviated nasal septum and sinusitis too, he s apt to snore. Sinusitis usually develops if nasal blockage due to deviated nasal septum has lasted long. But the primary concern is to treat his deviated septum. It can only be treated with Septoplasty ( surgery of the nasal septum). It is a good and reliable procedure. His sinusitis will resolve once his nasal passage starts remaining patent. So, don t you worry; consult an ENT Specialist. He will solve the problem. take care. Wish you soundless nights !!!