i'm trying to found answers for my sister's condition. She in the hospital in middle georgia and has a lesion in the pons of her brain. No defintive answer to what this is or what caused it or how to treat it. All her labs has been negative for different dieases. Spinal fluid was neg for MS, mennigitis, vaculitis. MrI neg for tumors. Can anyone help us connect with the mayo clinic so we can get help. We ha ve insurance.