emphysema life expectancy
People with moderate to severe, stage 2 and 3 emphysema, have a life expectancy of five years or more with intensive treatments. People with end-stage, stage 4 emphysema, have little time to live, even with treatment [source: No More Smokes].herefore, the prognosis of emphysema is not favorable. The average life expectancy for someone with emphysema is five years. Your life expectancy drops to two years, however, if you donât seek treatment and/or you do not quit smoking [source: Health Information Directory].