When diagnosed with cancer, your doctor’s next step will be to assess the size of the cancer and where it has started to grow. The area where your cancer has started to grow is referred to as ‘primary’ and if it spreads to other parts of the body, these areas will be referred to as ‘secondary’ or ‘metastases’.
The process of grading cancer is known as ‘staging’. Staging a cancer diagnosis allows your doctor to choose the most effective treatment for you.
The TNM System & Staging
TNM stands for ‘Tumour, Node, Metastases’ and the TNM system allows doctors to summarise information about the size of your cancer and the areas to which it may have spread.
The system can be readily explained as follows.
T - Represents the size of the cancer. Cancers are graded on a scale of 1-4, with a value of 4 representing a large cancer.
N - Indicates if the cancer has spread to lymph nodes. As with our 'T' branch of the system, N is also graded on a numerical scale. A value of 0 indicates the cancer has not spread to the lymph nodes while a value of 3 indicates that cancer has spread to lymph nodes in other areas of the body.
M - Establishes whether cancer has spread to areas of the body outside of the head and neck. 'M' is graded on a simple numerical scale of 0 (cancer hasn't spread to areas of the body outside of the head and neck) to 1 (cancer has spread to areas of the body outside of the head and neck).
Early or Advanced
After your doctor has calculated your values on each stage of the TNM system, they will assign you an overall grade on a one to four scale. Your doctor may write this number in Roman numeral format.
This numerical grade represents the stage of cancer that you’ve been diagnosed with and will belong to one of two groups.
Early cancer: Stage one or two cancers, less than 4cm in size that are confined to a single area
Advanced cancer: Stage three or four cancers that are greater than 4cm, have grown into nearby tissue, spread to lymph nodes or other parts of the body
It’s important to remain in continual discussion with your doctors to understand what your stage of cancer means for you, as the chances of cure often vary from patient to patient.
Epworth provides comprehensive cancer services across all four major hospitals. Treatment is aimed at restoring happiness, health and quality of life. The Wig Salons at Epworth Freemasons, Epworth Eastern and Epworth Geelong are free services providing support and dignity to all Epworth cancer patients and education and support services are readily available to assist Epworth cancer patients on their treatment journey.
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