Conversation: The conversation between human and AI assistant.
[|Human|] A young man age 25 was just diagnosed with stage 4 melanoma. The tumor was ver large and bloody and on trunk. Hes had this thing for like 4 yeats but just started getting worse. Then last month he lost nearly 20 lbs in one month. Whats a fair prognosis? How long would he have to live?
[|AI|]  Hi, Welcome to Chat Doctor forum.  The survival rate of 5 years is considered to be 15 to 20 %, means 20 patients among 100 patients survive 5 years. Out look is better if the lesion is in the distant part, and in the lymph nodes than in organs. And if lactose deny Chat Doctor.  Besides giving treatment give him fresh juices of palatable vegetables, to have an UN explained little recovery.  Wishing him good health. Thank you.