What is the TNM System?

What is the TNM system?

In the TNM system, there are three categories:

T = tumour
N = lymph nodes
M = metastases

Each of these categories is given a score, and together these scores show how far the cancer has spread.

T - Tumour

A swelling of a part of the body, generally without inflammation, caused by an abnormal growth of tissue, whether benign or malignant.

N - Lymph Nodes

Lymph nodes are located in groups, and each group drains a specific area of your body. You may be more likely to notice swelling in certain areas, such as in the lymph nodes in your neck, under your chin, in your armpits and in your groin. The site of the swollen lymph nodes may help identify the underlying cause.

M - Metastasis

Metastasis is a pathogenic agent's spread from an initial or primary site to a different or secondary site within the host's body;^[1] it is typically spoken of as such spread by a cancerous tumor.^[2]The newly pathological sites, then, are metastases (mets).^[3]^[4]

#metastasis #nodes #tumour #tnmsystem

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