Once a diagnosis of lung cancer has been made, the doctor will attempt to determine the stage the lung cancer is at. The staging system is somewhat like a measurement system, with the numbers indicating: whether the cancerous tumors are localized or whether the tumors have spread to other parts of the body; the tumors size; and whether or not the tumors have spread to the lymph nodes. There are four main stages of lung cancer (Stages 1 4) and identification of one of the stages is what helps doctors prescribe an appropriate treatment method.
Different Cancer, Different Stages of Lung Cancer
The staging system is a bit more complicated than simply assigning a number. First of all, the stage numbering system differs slightly depending on whether the lung cancer has been diagnosed as small cell lung cancer or non-small cell lung cancer.
Non-Small Cell Lung Cancer
Non-small cell lung cancer is the more common form and it progresses more slowly than the other type. Non-small lung cancer can be broken down into 4 stages. Stage 1 means that the tumor is local; it has not spread to the lymph nodes. Adding the letter A or B to the stage 1 classification...
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