im really sorry to hear about ur grandson my thoughts are with you my son was diagnosed a yr ago with a gbm grade 4 im in england we have tried so much to ask the dr what else can he do and he cant do anythin just going round in circles feel lost and helpless knowing my son is dieing and i cant do anything to take it away dont know what to do anymore hes had it completly removed and intense radiotherapy with temodor but its not worked im so sorry for ur grandson my thoughts and preys are with you