Thanks for writing to H.C.M. about your query.
As you said that you have nodes at your armpit and neck which time to time gets inflamed and painful. You have observe as this is related to your stress
. your FNAC report is not showing any infection or pathology. In your case I would like to say some times FNAC reports does not support our clinical findings. Therefore you please go for these investigations-
(1) Blood- CBC, ESR
, Ser proteins, ser calcium.
(3) X-Ray chest - P.A. view.
I hope by this much work one may reach to correct diagnosis, which later can be managed.