<human>: Dear Doctor nm,t,my nephew mr .vivel vardhan eho is 6 years old is undergoing treatment for neurobalstoma at CMC vellore. what are the chances of curing ths type of malignacy and how long will it take for the tratment. thanks
<bot>: Thanks for your question on Chat Doctor. I can understand your concern. Neuroblastomas is brain tumor seen mostly in child Chat Doctor.  Treatment depends on stage of tumor. In early stages (stage 1-2) surgery is advised followed by chemotherapy and radiotherapy. In late stages (stage 3-4) only chemotherapy with or without radiotherapy is advised. Chemotherapy and radiotherapy are given in cycles. Usually 7-8 cycles are given. Time interval of 21 days is kept between two cycles. So usually treatment lasts for 3 months. Hope I have solved your query. Wishing good health to your nephew. Thanks.