It never crossed my mind that the painless lump in my leg could be anything harmful, let alone life-threatening.

These include the pectoralis, or the chest muscles, the latissimus dorsi muscle ... is a chronic auto-inflammatory disorder which causes painful nodules, boils and abscesses which primarily ...

A painful nodule can form in that area (most often in the armpit, groin area, buttocks, or inner thigh) that looks like a cyst, boil, or deep pimple. As these bumps or nodules grow, they join ...