Lung cancer survival is strongly correlated with the stage of the disease.8 The survival rate after one year is more than 80 percent for patients diagnosed at stage I and less than 20 percent for those diagnosed at stage IV.9
8. https://clinicaltrials.gov/ct2/show/NCT00963651
9. England, 2014 (one-year), Former Anglia Cancer Network, 2002-2006 (five-year), ICD-10 C33-C34 Lung cancer survival statistics [Internet]. Cancer Research UK. 2018 [cited 5 November 2018]. Available from: https://www.cancerresearchuk.org/health-professional/cancer-statistics/statistics-by-cancer-type/lung-cancer/survival#ref-3