arachnoid cyst

Well, I also have an arachnoid cyst. "TINY" is how they describe it. 2 cm x 8mm. Will this add complications? I was hit by a car twice as a child once approximately the age of 5 (standing on the curb and lost my balance) I do not remember anything except the moment prior to falling. Then again approximate age 7. Trying to cross the street when the truck driver who was blocking my view waved me across. (first lesson never trust somebody elses judgement, boy did I pay for that) All I remember is being put into the car to be taken to the hospital then nothing. (Cut my eye lid and had to wear an eye patch is all I can remember of my injuries)You would have thought I would learn from the first one lol. Nobody else in my