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, 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.
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.
A man in Fuling county, Chongqing municipality, lost his wife soon after he was diagnosed with liver cancer.
Yu Daohua, 44, is undergoing medical treatment at a local hospital with help from his 80-year-old mother.
This is after his former wife, Ju Feng (not her real name), 35, asked for a divorce.
The couple has married for five years and has a daughter. His wife said the marriage wasn't good.
"We had lived separately for more than half a year and I decided to divorce him, not because of the cancer," the wife said.
Originally Posted: Top Diagnosis
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