Hi from the history of follicle manipulation (the shaving), this is most likely a localized infection of the glands around the hari follicles. this is really a common occurrence and this would usually resolve. However, there might be a residual lump due to fibrosis of the previously infected tissues. It is best to have this evaluated by your doctor since if there is still residual infection, this might have to be treated with antibiotics.
So your saying that mines may not be a lymph node, but a gland around a hair follicle? How long does it normally take to resolve? And also how do you know if you have a swollen glad or lymph node under your arm and normally does more than just one swells up? But thank you for the information that you have already given to me. I will have it looked at as soon as possible.