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YOUR CANCER YOUR LIFE – CHARACTERISTICS OF MALIGNANT TUMOURS (CANCER); INABILITY TO DIFFERENTIATE NORMALLY
Cancer growths are made up of cells which belong to our body but which have stopped behaving in a cooperative and orderly fashion. The following four features apply (with a few minor exceptions) to all malignant growths or cancers:
1.The cells cannot differentiate normally.
2. The growth of the cells is, to a large extent, outside of the body’s control.
3. The cells can spread to other parts of the body (metastasize).
4. The cells can invade and damage nearby normal body cells.
There is a great deal of variation in the differentiation of cancers. Even with one cancer growth, some areas are more differentiated than others. This is one of the reasons why the pathologist might ask for another specimen if he or she has trouble making a definite diagnosis. The pathologist would be hoping to get a more differentiated specimen which contained more clues to the origin of the cells.
As a general rule, the more differentiated a cancer is, that is, the more closely its cells resemble those from which they originated, Wgt. more favourable the outlook. More differentiated cancers tend to grow more slowly, spread later and damage adjacent cells less than the undifferentiated cancers.
*33/40/1*
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