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Friday, April 15, 2011

Cancer Symptoms

Cancer affects the surrounding tissue by growing into the surrounding tissue or pushing, thereby irritating or pressing them. Irritation typically causes pain. Pressure can inhibit the network to perform their normal functions.
For example, bladder cancer or cancer of the lymph vessels in the abdomen may press (ureter) that connects the kidney to the bladder block the flow of urine.

Lung cancer can block the airflow through the lungs, causing lung collapse and facilitate infection. Wherever cancer can suppress blood vessel, closing the blood flow and cause bleeding. When cancer develops in an area with lots of space, such as the colon wall, it can not cause any symptoms until it becomes very large.

Conversely, the cancer develops in a smaller space, as in the vocal cords can cause symptoms (such as raspy) when the cancer is still relatively small. If the cancer spreads (metastasizes) to other body parts, the same local effect on the irritation and pressure occurs rapidly, but at a new location, the symptoms are very distinct possibility. Cancer associated with the membrane that protects the lungs (pleura), or structures such as the bag that surrounds the heart (pericardium) are often issued a liquid, which accumulates around the organs, the accumulation of fluid in large amounts can interfere with breathing or heart pumping.

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