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Lung cancer

Lung cancer is the 5th most common cancer in Ireland, with over 2,700 people being diagnosed each year. It affects both women and men, usually over the age of 50.

Lung cancer can be treated with surgery, chemotherapy and radiotherapy, depending on the type and where it is found.

What is lung cancer?

Lung cancer is when the cells in your lung change and start to grow out of control. These cells increase to form a tumour. Cells from this tumour may spread to other parts of the body.

Over 2,700 people are diagnosed with lung cancer each year in Ireland.

Secondary cancer in the lung (lung metastases)

Sometimes cancer spreads to the lungs from somewhere else in your body, for example, from the breast or bowel. This is treated differently to cancer that starts in the lung (primary lung cancer). If you want to know about cancer that has spread to the lung, please find thatcancer type.

What are the lungs and what do they do? 

The lungs are two organs found in your chest and form part of your respiratory system. This system is responsible for your breathing. Your right lung is slightly bigger than your left and has three areas called lobes. Your left lung has two lobes.

When you breathe in, air passes through your nose or mouth into your trachea (windpipe), which separates into two further tubes called bronchi. Each bronchus (left and right) connects to a lung. The bronchus divides even further into much smaller tubes called bronchioles. Air passes through these bronchioles and into tiny air sacs called alveoli.

In the alveoli, oxygen from inhaled air passes into your bloodstream and is sent around your body. The lungs are covered by a lining called the pleura, which has two layers. The pleural cavity also contains pleural fluid, which acts as a lubricant and allows the layers to slide effortlessly against each other during respiratory movements. The cavity between the two lungs is called the mediastinum. This cavity contains the heart, the oesophagus (food pipe), the trachea (windpipe), large blood vessels and lymph nodes. Oxygen is needed in every cell of your body for various activities. During these activities, the waste gas, carbon dioxide, is made. It passes back through the alveoli and leaves your body when you breathe out.

We are looking for lung cancer patients who would be willing to complete a short online survey to tell us about their experiences of care. We are part of the Global Lung Cancer Coalition – an alliance of patient groups across the world campaigning to improve lung cancer research, treatment and care. The survey is being run in 16 countries and aims to understand the similarities and differences between what patients here in Ireland feel, compared to others around the world.

We recognise that Covid-19 has impacted healthcare systems around the world, and are keen to understand how the pandemic has impacted the care you receive for your lung cancer. We’ll be asking about your experiences in contacting your treatment team over the last year and if the pandemic has impacted your physical and mental health. In addition, we’ll be asking more general questions around, your diagnosis, how it has affected you emotionally, and how you’d like to receive information on lung cancer.

The survey should take around 10 to 15 minutes to complete and your answers will be anonymous. We very much appreciate your time and your insights, which will help us in our campaigning efforts to improve lung cancer treatment and care for patients around the world. Thank you.

Start the survey now

More information about lung cancer treatment

Treatment for lung cancer includes surgery, chemotherapy and radiotherapy. For more information about treatments for lung cancer, visit our treatment page. For specific treatment information use the links below.

Looking for support?

Our cancer support section contains information and advice on coping with cancer for diagnosed patients and their loved ones.

Publications about lung cancer
Downloadable booklets and factsheets
Lung cancer booklet
Understanding Lung cancer and mesothelioma
Information about lung cancer and mesothelioma including tests, staging, treatment and side-effects, and how to cope.
Lung cancer leaflet
Lung Cancer - What You Should Know leaflet
This leaflet gives you some facts about lung cancer, the cause and symptoms as well as how it is diagnosed.
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Lung Cancer Action Plan 2019
The Irish Cancer Society's first cancer action plan. These achievable goals could make a meaningful and significant change to lung cancer patients.
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Lung Cancer Action Plan 2019 Summary
A brief overview of the Irish Cancer Society's 2019 Lung cancer action plan

For more information

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1800 200 700

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