Hi, dear I have gone through your question. I can understand your concern. You may have some benign cyst like sebaceous cyst or some enlarged lymphnode with inflammation and abscess formation. You should consult your doctor and go for examination. If needed go for fine needle aspiration cytology or biopsy of that lump. It will give you exact diagnosis. Then you should take treatment accordingly. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using health care magic. Wish you a very good health.