my brother(21) , had non maligant tumour.. he was operated and cured(2008). he was very normal after that., but suddenly last december(2011)., he seemed very sick ., sleeping all the time, and some other symtoms.. we took him to the same hospital where he was treated already., the doctor said it is hydrocephalus , then my brother is treated and kept shunt.. the doctor told us to press the shunt everyday., but no improvement from my brother said.,so we took him to the same doctor, now he is saying that, we should not press that shunt .. sol is accumulated due to we pressed that.. he gave some pills(decdak).. he said if it is not cured by the pills, tthen again we have operate.. is this the serious thing to operate?? or is that possible to cure with pills itself??