There are 2 main types of lung cancer, and each one is staged differently.
Small cell carcinomas, also called oat cell cancer, is a less common
type of lung cancer that usually develops in the central area of the lung.
Unfortunately, it grows fast and is more likely to spread to other organs.
Non-small cell carcinomas is the most common type of lung cancer
which grows and spreads more slowly. There are three sub-types of non-small
Small Cell Carcinoma has two main stages:
Limited stage: In this stage, the lung cancer
is confined to one lung and it has affected the lymph nodes from the
same side of the chest as the affected lung.
Extensive stage: In this stage, the lung cancer
is located in both lungs, it has spread to the lymph nodes from both
sides of the chest, or it has spread to other organs.
Non-Small Cell Carcinoma has 7 stages:
Occult Stage: In this stage, the cancer is found
in saliva, but there are no tumors in the lungs.
Stage 0: In this stage, the cancer is limited
to the surface of the bronchus or in a few cell layers.
Stage I: In this stage, the tumor is confined
to the lung.
Stage II: In this stage, the cancer has spread
to the adjacent lymph nodes.
Stage III: In this stage, the cancer has spread
to one of the following areas: 1) the chest wall or diaphragm near
the lungs, 2) the lymph nodes between the lungs, and 3) the lymph
nodes located in the other side of the chest or from the neck area.
Stage IV: In this stage, the cancer has spread
to other organs of the body (stage called metastasis).
Recurrent: In this stage, the cancer has relapsed
after it was treated.
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