Sore underarm ligations can be abscesses (accumulation of pus), infected sebaceous cysts or yet enlarged lymph nodes due to inflammation or infection. Despite the pain and the nuisance, these lumps usually do not represent anything serious.
If, in addition to being sore, the lumps are also reddish and the local temperature is increasing, it is probably a inflammation or localized infection.
The nodules or lumps in the armpits that raise suspicions of being something serious are those that do not cause pain, as they may be a sign of breast cancer or lymphoma (cancer of the lymphatic system).
In these cases, the lump is a lymphatic ganglion that grows in size and becomes hardened, but is usually not sore and shows no redness and local temperature increase.
In your specific case, tests have already been done that indicated the presence of an inflamed gland. To find out whether or not to remove this lump, see your gynecologist or mastologist again for a detailed evaluation.
