Throat problem since 3 months.

I was a smoker (3 years 3 cig per day) but left in jan bcz of throat infectn. After that I met an ENT specialist in Feb n was diagnosed with LPR/silent reflux and I also had granular pharyngitis too as I had granules and dilated vessels in my larynx area too 45 days ago and assured me that there's nothing like cancer as I was vry tensd. I met him a week ago n he suggested that I dn't have the dilated vessels much little bit of granules on my throat but I still felt heaviness in my throat n post nasal drip which he said will resolve with time n asked me to continue neksium only. Since last 2 days i didn't have much pain but since today morning I am feeling like there is a nodule in my right side of neck beside Adam's apple but my dad is sayng nthing is there n it's just because I am scared as it's taking too long to get better. But I have pain in my neck and bit of throat irritation today and sneezing since morning. can it b dangerous? I am vry worried since last 3 month. pls help me😔