The growth suggest a keloid scar, an infectious or non infectious cyst or a cancerous growth.
The red "angry" look of the lesion suggest an aggressively growing mass with the possibility of growth occurring deeper than the surface skin. It should be removed and sent for pathology as soon as possible. A plastic surgeon would be the best to consult for a growth in this part of the body.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.