Illustration of Understanding of Cancer |
Cancer is a condition in which the cells have lost the normal mechanisms of control and, thus experiencing abnormal growth, rapid and uncontrolled. Cancer can occur from a variety of tissues in various organs. In line with the growth and breeding, cancer cells form a mass of cancerous tissue that infiltrate nearby tissues (invasive) and can spread (metastasize) throughout the body.
Determination Stage Cancer
To determine the stage, generally a cancer is classified first according to the TNM system (Tumor, Node, Metastasis) :
Tumor : large or extensive tumor origin
Tis = tumor has not spread to the surrounding tissues;
T1 = tumor size of 2 cm or less in diameter
T2 = tumor size between 2-5cm
T3 = tumor size diameter> 5cm
T4 = What size but has spread, can form ulcers
Node : the spread of cancer to lymph nodes
N0 = not spread to the lymph nodes;
N1-3 = degree of spread
Metastases : presence / absence of spread to distant organs
M0 = no / not yet rated
M1 = there metatasis far
To determine the stage, generally a cancer is classified first according to the TNM system (Tumor, Node, Metastasis) :
Tumor : large or extensive tumor origin
Tis = tumor has not spread to the surrounding tissues;
T1 = tumor size of 2 cm or less in diameter
T2 = tumor size between 2-5cm
T3 = tumor size diameter> 5cm
T4 = What size but has spread, can form ulcers
Node : the spread of cancer to lymph nodes
N0 = not spread to the lymph nodes;
N1-3 = degree of spread
Metastases : presence / absence of spread to distant organs
M0 = no / not yet rated
M1 = there metatasis far
TNM classification aim is to planning treatment, determining prognosis (probability estimates improve / recover), evaluation of treatment outcomes, and also for the exchange of information among cancer treatment centers (for reference). So there is cancer stage I, II, III and IV, stage I and II is also called early-stage, while stage III-IV also called locally advanced or stage IV also called locally advanced or metastatic.
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