hi i am vikas,student,20 yrs old , i had DNS surgery last year.. but still i am facing problems in breathing. i have following symptoms , body fatigue , headache , pain in cheeks , blocked nose(left side). I have googled for sinusitis , i think i am having the same problem. plz let me know average cost of sinusitis surgery. Its really a big problem while studying what should i do so that i can study thanx