Lung Cancer

Overview & Facts

Confused about lung cancer? Or just looking for some quick facts? These links take you to essential information on lung cancer, its causes, and its risk factors.

What Is Lung Cancer ?

Just diagnosed with lung cancer? Get started here.

How many people does lung cancer affect? Find out here.

Lung cancer is the top cause of cancer deaths in both men and women. But this wasn’t always the case.


Here’s where to learn about the common causes of lung cancer.

What are lung cancer risk factors? Here’s the list.

When you breathe in smoke that comes from the end of a lit cigarette, cigar, or pipe (sidestream smoke) or that is exhaled by a smoker (mainstream smoke), you’re inhaling almost the same amount of chemicals as the smoker breathes in.

Cigar smoke, menthol, pollution? See what can increase your risk of lung cancer and what’s fiction. WebMD shows you what to avoid and surprise risks.


There are several risk factors linked to lung cancer.

Symptoms & Types

Here’s where you’ll find a rundown of the different types and different stages of lung cancer. You’ll also find articles on lung cancer signs and symptoms.


There are many different lung cancer symptoms. Find out more here.

If you develop any of these symptoms, call your doctor right away.


There are two main types of lung cancer. It’s important to know which type you have.

Treatment — and prognosis — depends on the stage of a lung cancer. Get the basics here.

Learn all about small-cell lung cancer in this in-depth article.

Non-small-cell lung cancer (NSCLC) is the most common type of lung cancer.

A solitary pulmonary nodule (SPN) is a single abnormality in the lung that is smaller than 3 cm in diameter. Generally, a pulmonary nodule must grow to at least 1 cm in diameter before it can be seen on a chest X-ray.

Stage IV Lung Cancer With Anaplastic Lymphoma Kinase Rearrangement is rare, and it often happens to people who aren’t smokers. Find out more.


Lung cancer complications can cause a variety of breathing or heart problems. Learn what to watch out for.

Diagnosis & Tests

How is lung cancer diagnosed? What tests will doctors have to perform? Get that vital information in these short, to-the-point articles.


It’s not as simple to diagnose lung cancer as you may think. Here’s how it’s done.


Many different tests — some very sophisticated — are used to help diagnose lung cancer. This article helps you understand how they’re used.

When a lung tumor is found, a lung biopsy is often performed to evaluate the type of abnormal cells. Find out what to expect, so you’ll be prepared.

Sputum cytology examines mucus for abnormal cells. See how it’s done.

This high-tech test, commonly called a PET scan, can help determine if a lung tumor is cancer.

Treatment & Care

Start with the links to basic information on lung cancer treatment and care. Then move on to the more detailed information. Take your time — there’s a lot to learn.


Surgery is the preferred treatment for many people with lung cancer. Learn about the different types of surgery.

A variety of chemotherapy medications are used to treat lung cancer. Learn about them here.

Radiation therapy is commonly used to treat lung cancer. Learn when it’s used and what the side effects are.

Several different types of medications are used to treat cancer pain. See which medication might be right for your pain.

Learn all about treatment of non-small-cell lung cancer — from surgery and chemotherapy to photodynamic therapy.

Treatment varies for the different stages of non-small-cell lung cancer. Learn more here.

Learn all about treatment of non-small-cell lung cancer, including surgery, chemotherapy, and radiation.

Limited and extensive stages of small-cell lung cancer are treated differently. Learn what to expect.


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