2021. 11. 18. · Stage 4 lung cancer survival rates measure how many people are living a certain number of years after they were diagnosed with stage 4 lung cancer. For example, a 5-year survival rate of 6 percent. 2 days ago · While Stage 4 cancer can be terminal, stage 4 cancer isn’t always terminal.. Different types of cancer have different treatment options, life expectancies, and survival rates. Depending on the type of cancer you’re dealing with, there are options. In this article, you’ll learn about common types of Stage 4 cancer and their treatment options, life expectancies, and average.