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Should I get a lung CT scan after smoking for 30 years?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I hope you are well.

I am a 62-year-old man and smoked for almost 30 years before quitting five years ago. I recently read that people with a long history of smoking might benefit from screening scans to catch lung cancer early.

  • Based on my history, would you recommend a lung CT scan?

  • Are low-dose CT scans usually suggested for someone like me?

  • If my first scan is normal, how often should I get screened again?

I would really appreciate any advice or insights you can share.

Thank you for your help and advice.

Hello,

Welcome to icliniq.com.

First, I commend you for quitting smoking five years ago after a long history. This is a significant and positive step for your lung health.

Lung cancer screening with a low-dose CT scan is often recommended for people aged 50 to 80 with at least a 20 pack-year smoking history who currently smoke or quit within the past 15 years. With your 30-year smoking history, you may benefit from this screening.

A low-dose CT scan uses less radiation than a regular CT scan and is meant to find small lung nodules early. Finding problems early can lead to better treatment results for lung cancer.

If your first scan is normal, doctors usually suggest getting screened every year as long as you still qualify. Regular screening helps catch any new or changing issues early.

Talk to your pulmonologist or primary care doctor about this. They can look at your history and health to see if yearly low-dose CT scans are right for you.

I hope this information provides some clarity and reassurance.

Please feel free to reach out if you have any further questions.

Thank you.

Medically reviewed byiCliniq medical review team

Published At April 14, 2026
Reviewed AtApril 14, 2026

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