Types of Cancer – The Deadliest Forms of Cancer

It has been reported that cancer has killed or will kill up to 13% of the earth’s population.  Cancer touches millions of lives each year.  Generically, cancer is an over-proliferation of cells which grow at an uncontrolled rate and harm tissue and organs in the process.  It can be caused by exposure to a carcinogen, such as tobacco or asbestos.  It can also be the result of a genetic mutation that occurs within the body.  Cancer is scary, and there a certain types of cancer that are scarier than others.  That is because they are among the most deadly forms of cancer known to mankind.

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Pancreatic cancer is one of the most deadly types of cancer.  That is because most people who have pancreatic cancer don’t know it until the cancer has progressed pretty far.  A tumor will form in the pancreas and will cause pain in the upper abdomen, loss of appetite, dark colored urine and stool, fatigue, and nausea and vomiting.  Because pancreatic cancer is pretty well advanced by the time symptoms occur and the cancer is discovered, a lot of times doctors cannot operate to remove the tumor.  In addition, many times the cancer metastasizes, or moves to other areas of the body before it is discovered.  That is why this form of cancer is so deadly to so many people.

Another one of the most deadly types of cancer is lung cancer.  It has been reported that the five year survival rate for those diagnosed with lung cancer is only 14%.  Most lung cancers are caused by air pollution, tobacco smoke or asbestos.  Symptoms include shortness of breath, weight loss and coughing that sometimes produces blood.  Treatment for this type of cancer might include surgery to remove the affected tissues and chemotherapy and radiation.  Often a smoker with lung cancer is so addicted to nicotine that he does not stop smoking even in the face of a lung cancer diagnosis.  Perhaps this reason is why lung cancer rates as one of the deadliest forms of cancer.

Brain cancer is another one of the deadliest types of cancer.  It has been reported that brain cancer kills about 13,000 people annually in the United States alone.  It is so deadly because of the level of difficulty in operating on the area.  In addition, damage to the brain cannot be repaired.  Symptoms of brain cancer include headaches, altered vision, vomiting, and altered behavior.

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