Wednesday, April 29, 2009


Cancer is a class of diseases in which a group of cells display uncontrolled growth, invasion,and sometimes metastasis. These three malignant properties of cancers differentiate them from benign tumors, which are self-limited, and do not invade or metastasize. Most cancers form a tumor but some, like leukemia, do not. The branch of medicine concerned with the study, diagnosis, treatment, and prevention of cancer is oncology.

1&3 lungs,
2 spine,
4 ribs,
5 aorta,
6 spleen,
7&8 kidneys,
9 liver.

Cancer may affect people at all ages, even fetuses, but the risk for most varieties increases with age. Cancer causes about 13% of all deaths.According to the American Cancer Society, 7.6 million people died from cancer in the world during 2007. Cancers can affect all animals.


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