
About Lung Cancer
Lung cancer is the most common form of cancer in Canada and one of the most deadly. Five years after diagnosis, only 14% of people with this disease are still alive. By comparison, 88% of women with breast cancer are alive five years after diagnosis.
Smoking is by far the leading cause of lung cancer, but cancer can also result from exposure to secondhand smoke tobacco or substances such as asbestos, radon gas and gasoline vapors .
Lung cancer takes two main forms: a small cell “(the most dangerous) and non-small cell. This last category is itself divided into three subgroups: adenocarcinoma, squamous cell carcinoma and large cell undifferentiated. There are other forms, but they are much rarer.
Symptoms
Lung cancer may be present for several years without any symptoms are evident. However, the most common symptoms are: (more…)