 [ Symptoms ] if someone has been diagnoised with brain and throat cancer and refuses treatment how long does he have to live  he has smoked mostly all his life and he drank a lot prior to 1993 i am his daughter but the doctor wont tell me anything and he do not want me to know [ Disease ] i am sorry to hear you are going through this of course it is tough for your father too unfortunately there is no good answer to your question none of us knows when any individual will pass on whether they have cancer or not some cancers are very aggressive and others move more slowly also every individual is body is different in the way it fights off a disease like cancer a person with a very robust immune system may live longer with the same type of cancer as another person whose immune system is weak what i can tell you for certain is this make the most of every remaining moment with your dad that way whether he lives for three days or three years you will not let go with any regrets sending you big hugs