Understanding Cancer Stages
When cancer is diagnosed the doctor will go through steps to figure out the stage of the cancer. Cancer stages are used to help doctors form a treatment plan and to help patients understand the extent of their cancer and the prognosis. Staging cancer may seem confusing, but it is actually not that difficult to understand.
Cancer stages are determined through a process called staging. Staging determines the severity of the cancer. It is based on the extent of the cancer and how much it has spread in the body. Doctors will perform additional tests to check the body for cancer and to get a good idea of where the cancer is, where it began and if it is spreading.
Importance of Staging
Staging helps in many ways. It is an important part of the process in determining how to treat the cancer. It is also useful for future research and understanding how that particular cancer reacts in the body. Here are the main reasons why staging is important:
- Helps form a treatment plan
- Helps in forming a prognosis
- Helpful in research studies
Staging is done by looking at different factors. In order to help maintain a level of consistency for staging there are certain elements that are included when determining cancer stages. These elements include:
- Location of the beginning of the cancer
- Size and number of tumors
- Location of cancer in the lymph nodes
- Cell type and grade of tumor
- Extent of metastasis
Cancer stages are referred to based upon a staging system. The most commonly used staging system is the TNM system. TNM stands for:
T - Tumor
N - Lymph Nodes
M - Metastasis
Each letter gets a number added to it to indicate the extent of the cancer in relation to the tumor, lymph nodes and metastasis. Numbers range from 0 to 4, with 0 being representative of none and 4 being the highest cancer stage.
Stage 0: Only early or pre-cancerous cells are present
Stage 1, 2 and 3: Cancer is present and may have spread in the localized area
Stage 4: Cancer has spread elsewhere in the body
Understanding cancer stages is not always easy, but it is important. A person receiving a diagnosis of cancer in stage 1 will know that their caner is easier to treat and therefore their prognosis will likely be good.
On the other hand, a person with stage 4 cancer may be looking at a much dimmer prognosis. Staging is something that has helped us learn more about cancer and has played an important role in treating and diagnosing the disease.
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