My son has neurofibromatosis type 1 and he is only 2 years old. What symptoms can I expect?

NF 1 is caused by . mutations of the NF gene, 17q11.2. Clinical course varies widely depending largely on location & size of brain, skin, eye & other tumors. Initial evaluations by a geneticist, ped. neurologist, ped. ophthalmologist, developmental/behavioral pediatrician. & Early Intervention, http://www.dds.ca.gov/EarlyStart/home.cfm., guide management. Learning Disabilities & ADHD are common. See www.ctf.org.