Dear sir/madam, what reason can cause swelling in Bilateral level lB and ll lymph nodes. Also I went to ENT doctor he said nothing to worry there is no tenderness seen in my neck. He said no need to take fnac test also. But I'm worrying about whether it will be cancer or anything as I use to smoke. Does smoking causes lymp node to swell or smoking cause lymph node cancer?. I also have little congestion in oroparhyngeal region like very small size tonsils Thanks waiting for answers