The lining around the lungs, called the pleura, helps to protect the lungs and allows them to move during breathing. The windpipe (trachea) brings air down into the lungs. It divides into tubes called bronchi, which divide into smaller branches called bronchioles. At the end of these small branches are tiny air sacs known as alveoli.

Most lung cancers start in the lining of the bronchi but they can also begin in other areas such as the trachea, bronchioles, or alveoli. Lung cancer often takes many years to develop. Once the lung cancer occurs, cancer cells can break away and spread to other parts of the body. Lung cancer is a life-threatening disease because it often spreads in this way before it is found.

Imaging tests: these tests use x-rays, magnetic

Anyone who has problems with side effects should talk with their doctor or nurse as there are often ways to help.

Non-small cell lung cancer is the most common type of lung cancer, accounting for almost 80% of lung cancers. There are three subtypes within this group. Some types grow more quickly than others. Ask your doctor to explain which of these you have.

People whose lungs are in good condition (other than the cancer) can often return to normal activities after a lobe or even an entire lung is removed. However, if they also have diseases such as emphysema or chronic bronchitis (common among heavy smokers), then they may have long-term shortness of breath.

fields, sound waves or radioactive substances to create pictures of the inside of the body. Some of the imaging tests used to find lung cancer and to see where in the body it may have spread include x-rays, CT scan (computed tomography), MRI (magnetic resonance imaging), PET (positron emission tomography) scans, and bone scans.

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