Find everything you need to know about lung cancer, including
causes, symptoms, diagnosis and treatment, with links to other
useful resources. Lung cancer is one of the most common and
serious types of cancer. Symptoms of lung cancer include: -
unexplained weight loss - shortness of breath - chest pain Read
more about the symptoms of lung cancer. The lungs have two main
purposes: - to transfer oxygen into the blood when you breathe
in - to expel carbon dioxide out of the blood when you breathe
out The lungs are made up of a series of sections called lobes.
The left lung consists of two lobes. The right lung is larger
and consists of three lobes. Types of lung cancer Cancer that
begins in the lungs is called primary lung cancer. Cancer that
begins in another part of the body and spreads to the lungs is
known as secondary lung cancer. This topic is about primary lung
cancer. There are two main types of primary lung cancer. These
are classified by the type of cells in which the cancer starts.
They are: - non-sma