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CANCER What is Cancer?Cancer is a complex group of over 100 different types of cancer. Cancer can affect just about every organ in the human body.
How Does Cancer Develop?The organs in our body are made up of cells. Cells divide and multiply as the body needs them. When these cells continue multiplying when the body doesn't need them, the result is a mass or growth, also called a tumor. How Does Cancer Spread to Other Parts of the Body?The cells within malignant tumors have the ability to invade neighboring tissues and organs, thus spreading the disease. It is also possible for cancerous cells to break free from the tumor and enter the blood stream, and spreading the disease to other organs. This process of spreading is called metastasis. Fast Facts About Cancer
THE BLADDER The bladder is a hollow organ in the lower abdomen. It stores urine, the waste that is produced when the kidneys filter the blood. The bladder has a muscular wall that allows it to get larger and smaller as urine is stored or emptied. The wall of the bladder is lined with several layers of transitional cells. Symptoms: Some common symptoms of bladder cancer include:
Breast Abnormalities A history of proliferative breast disease or atypical cell growth, known as hyperplasia, is a significant risk factor for breast cancer. Benign fibroid tumors may increase risk after many years, particularly if they are complex, such as cysts or if they cause scarring. Physical Characteristics Studies have reported mixed effects on the association between obesity and breast cancer. Some suggest that simply being overweight is not a risk factor but that excessive weight gain after menopause is. A number of studies have reported an association between being overweight as a child or young woman and a lower risk for breast cancer. (Estrogen levels are actually reduced in the presence of high fat levels in premenopausal women.) Women with heavy dense bones are at higher risk for breast cancer, since estrogen helps build bone mass. There have been reports of a link between increased height and breast cancer risk, but one controlled study of almost 10,000 women found no association at all. However, women who reached their maximum height at age 18 may have a lower breast cancer risk than women who reached their full height at 13 or younger -- again probably because they had higher levels of estrogen at an earlier age.More Liver Cancer Most of the time when cancer is found in the liver, it did not start there but spread to the liver from a cancer that began somewhere else in the body. These tumors are named after the place where they began (primary site) and are further described as metastatic For example, cancer that started in the lung and spread to the liver is called metastatic lung cancer with spread to the liver. The rest of the information given here covers only primary liver cancer, that is, cancer that begins in the liver.more
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