my brother has a bump on his back the size of a quarter. it feels hard and does not hurt him. he works out in the sun. any clues as to what it is?
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.