Dr.Potjana Jitawatanarat graduated her medical degree with first class honor from Siriraj hospital, Mahidol University since 2003. Dr.Potjana finished her internal medicine residency training and hematology/medical oncology fellowship training from New York, USA. She currently works as medical oncologist, wattanosoth hospital, Bangkok,Thailand. She has realized that cancer care knowledge is quite diificult to understand so she want to share the positive power and patient level knowledge to public.