A lung nodule is a small spot in the lung that is usually found on a chest X-ray or CT scan. It is often discovered by chance when a scan is done for another reason.

Most lung nodules are not cancer. Many are caused by old infections, inflammation, or scarring. Some nodules do need follow-up to check whether they stay the same or change over time.

Are lung nodules common?

Yes. Lung nodules are quite common, especially as people get older and imaging becomes more common.

Does a lung nodule mean cancer?

Not usually. Most lung nodules are benign, which means they are not cancer. However, some nodules need closer assessment because they can sometimes represent early lung cancer or develop changes over time.

What do doctors look at?

When a lung nodule is found, doctors look at things such as:

• the size of the nodule
• its shape and appearance
• whether it has changed over time
• smoking history and other risk factors
• the patient’s age and medical history

These factors help determine whether the nodule is low risk or whether further follow-up is needed.

What happens next?

The next step depends on the nodule and the patient.

This may include:

• no further action
• a repeat scan after a period of time
• referral for further assessment
• specialist review

Why follow-up matters

Some lung nodules remain stable and never cause problems. Others need monitoring to make sure important changes are identified early. Clear follow-up helps patients and referrers know what should happen next and when.

How Lungscreen helps

Lungscreen provides a clear, expert-led pathway for the assessment, follow-up, and management of incidental pulmonary nodules.

Our service includes:

• specialist clinical review
• coordinated follow-up
• Australia-wide virtual access
• support for both patients and referrers

Need support?

If a lung nodule has been found, Lungscreen can help provide expert review, clear recommendations, and coordinated follow-up.