Swollen lymph nodes can be because of the many other reasons also like;
1) Infectious mononucleosis
3) Infection in the arms (armpits swollen nodes), leg (inguinal swollen nodes), infection in head and neck (neck nodes enlargement)
5) Sexually transmitted disease
6) Leukemia etc.
Please feel free for your follow up questions.
The recurrences after so long time are not common but still its needs an evaluation by your physician and if needed to get an aspiration biopsy cytology (ABC).
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