Conversation: The conversation between human and AI assistant.
[|Human|] Hello,My father who is 80 yrs old had stomache cancer, tumor was removed but now, 5 mos. later his stomache cancer returned. Now, he has two small dots on his liver.  He wants no treatment.  What is life expectency for him?We are truly devestated.
[|AI|]  Hi, Thanks for writing in. It appears that your father has stage 4 cancer of stomach. After cancer was operated in the stomach the disease appeared in the lever to cause metastasis. The survival of stage 4 cancer patients is 2 years after detection. This is not a fixed duration but if aggressive chemotherapy is given then he might survive longer. To extend his survival he must be counseled to take chemotherapy and this can slow the disease progression and keep him comfortable. There are new techniques like chemo embolization and radiofrequency ablation which has successfully delayed the disease in many patients. He should also be given enough pain relief because cancer patients have a lot of pain and this causes their general condition to worsen. Please do not worry.