Lung Cancer at a Glance Make an Appointment Ask a Question Search Conditions This information has been reviewed and approved by Debra S. Dyer, MD (October 2022). Want to use this on your website? Fill out the content usage request form and then copy this code: Summary: You Can’t See Lung Damage #1 Cause of Cancer Death in U.S. If you have a smoking history, you have an increased risk of developing lung cancer. Screening with a low-dose CT scan can identify cancer early and save your life. You Are Eligible for a Free* Lung Cancer Screening if You: Are you between 50 and 80 years old and Currently smoke or have quit in the last 15 years and Have at least a 20 pack-year history of smoking. * For eligible patients, lung cancer screening is covered by most private insurance, Medicare and Medicaid. Advantages of Low-Dose Screening CT Scan Safe – 90% less radiation than regular CT scans Accurate – Detects even the smallest abnormalities Fast – Scan takes less than 10 minutes Diagnosis – Detects both cancerous and noncancerous lung nodules Lung cancer screening decreases risk of death by 20% What Is a Lung Nodule? Small rounded spot on the lung detected by CT scan 97% of lung nodules are not cancerous Can be early lung cancer What Is a Pack Year? A pack year measures how much a person has smoked over a long period of time. Multiply the number of packs of cigarettes smoked per day, by the number of years smoked. 1 pack per day for 20 years = 20 pack years 2 packs each day for 10 years = 2- pack years Lung Cancer Screening Lung cancer caught early is treatable and curable. Screening of high risk patients has reduced lung cancer deaths by 20%. National Jewish Health catches more lung cancer at Stage 1 than the national average. Most patients have no sign of cancer and have a follow-up CT scan in one year. Schedule a lung cancer screening today and get a clear picture of your lung health. More Information on Lung Cancer Screening Know Your Cancer Risk - Lung Cancer Quiz Lung Cancer Screening CT Program Lung Cancer Screening CT FAQs Lung Nodules Overview Lung Nodule Registry Program Lung Nodule Clinic Lung Cancer Overview Lung Cancer Center Top Lung Cancer Questions to Ask Your MD Find a Doctor