Cancer is the unwanted and uncontrolled division of the cells that can be metastasized to other body parts and causes serious illness, it is a deadly disease even diagnosed earlier it has the capability to kill the patient. There is definite fear and dread associated with this disease, its killer nature is enough to create a shocking wave in the body of the individuals even by hearing its name. With the advent of modern and new technologies many new treatments plans have been introduced in medical field in order to survive against cancer and to improve the quality of life of the patients. The types of cancer exceed more than hundred and are characterized by abnormal growth of cell. There are various causes of cancer including radiation exposure, chemical exposure, or some other cause depending on the exposure to cancer causing agents. Here we have the list of 10 Most Deadly Types Of Cancer in the world that contains some of the informative facts about these deadly diseases.
10. Non-Hodgkin lymphoma
This type of cancer affects a type of white blood cells known as lymphocytes and is characterized by fever, enlarged lymph nodes and weight loss. There are various types of this and they are classified according to the progression and the types of lymphocytes involved. In 2010, it resulted in 210,000 deaths globally.
9. Ovarian Cancer
Ovarian cancer is any abnormal and uncontrolled cell growth that may occur in different parts of the ovary. This cancer is called as the silent killer, it is easier to treat but very hard to detect in early stages. It is the 8th most common cancer among women in the United States of America and fifth most common in the United Kingdom. Approximately21, 000 women in the USA and 5,500 women in the United Kingdom are diagnosed with ovarian cancer every year where as globally, around 140,000 women die because of this deadly cancer every year.
The cancer of the blood cells is known as leukemia and is characterized by an abnormal growth of immature white blood cells known as blasts. The exact cause of this disease is not known, there are four major types of leukemia including acute lymphoblastic leukemia, chronic lymphocytic leukemia, acute myelogenous leukemia and chronic myelogenous leukemia. It can affect individuals of any age group, about ninety percent of leukemias are detected in adults. In 2000, around 256,000 children and adults in the world developed a form of leukemia and approximately 209,000 died from it. In 2010, approximately 281,500 people died globally because of this disease.
7. Prostate Cancer
Prostate cancer is a deadly form of cancer that develops in a gland of male reproductive system named as prostrate. In aggressive cases the cancerous cells may spread to other body parts particularly the lymph nodes and bones. It may cause pain, difficult urination or erectile dysfunction, the later stages can accompany other symptoms. It is the most common type of cancer in American men and second most leading cause of deaths due to cancer, about one man out of six will be diagnosed with this cancer during his life. It occurs in older age men, it is rare before 40 years of age. The rate of its occurrence is higher and prognosis is poorer in developed countries as compared to the rest of world.
6. Liver Cancer
It is one of the commonest forms of cancer around the world. Liver cancer also known as hepatic cancer is a type of cancer that originates in liver. Primary liver cancer is the third leading cause of deaths by cancer and is the fifth most frequently diagnosed cancer in the world. It is a cancer that develops quickly and symptoms start appearing at the later stages therefore causing high number of deaths of people from this disease every year. As of 2010, it resulted in 754,000 deaths world widely.
5. Pancreatic Cancer
In pancreatic cancer there is an uncontrolled cell growth in the pancreatic tissues that helps in digestion and regulation of metabolism. It is an aggressive type of cancer that is most likely to miss as there is no effective means to detect it early, its signs and symptoms are difficult to detect and at the time patients suffers from any symptoms and consults a doctor the cancer is already metastasize to other body parts and the patients has just couples of weeks or months to live. This deadly cancer has no early detection methods, no effective long term treatment plans and no cure other than if the cancer is surgically removed in its earliest stages. It is the fourth highest cancer killer in the world, it has high mortality rate than lung cancer but it is not as common as that.
4. Breast Cancer
It is an aggressive type of cancer that originates from breast tissue, majority of human cases are recorded in females but male breast cancer can also occur, however this cancer is more than 100 times more common in females as compared to males. Breast cancer is the second most lethal cancer in women after the lung cancer. Globally, it comprises of 29% of all cancer in women. It is more common in developed countries as compared to less developed countries. Prognosis and survival rates for this disease differ greatly depending on the type of cancer, stage, geographical location of patient and treatment. It caused 458,503 deaths globally, in 2008.
3. Colorectal Cancer
Colorectal Cancer is also known as colon cancer, bowel cancer or rectal cancer and in this deadly type of cancer there is uncontrolled cell growth in the colon or rectum. The cause of most colorectal cancers is increasing age and lifestyle and only a few cases are associated with some underlying genetic cause whereas the symptoms include anemia and rectal bleeding that is sometimes accompanied with altered bowel habits and weight loss.
Screening plays an important role in decreasing the mortality rate because of this disease and is recommended at the age of 50 to 75 years. It is the third most commonly diagnosed cancer world widely and is more common in developed countries. According to worldwide estimation in 2008, almost 1.23 million new cases of colorectal cancer were diagnosed clinically and approximately 608,000 people were died. World widely more than 1 million people suffer from this disease annually and as of 2010 it resulted in about 715,000 deaths.
2. Stomach Cancer
Stomach Cancer or gastric cancer is the cancer that arises in any part of the stomach. The complicating factor about this cancer is that people do not know they have cancer until they have symptoms and by the time the symptoms occur cancer may progress to advance stage and can be spread to other parts of the body therefore resulting in poor prognosis. It is the fourth most common types of cancer in the world with the diagnosis of 930,000 cases in 2002 and is the second most leading cause of deaths by cancer after lung cancer causing around 800,000 deaths worldwide every year. Metastasis occurs in approximately 80-90% of people suffering from stomach cancer and there is 65% survival rate in individuals that diagnosed in early stages and less than 15% in individuals that diagnosed in late stages
1. Lung Cancer
Lung cancer is the abnormal division of cells in one or both lungs, if left untreated the cells invade the other tissues and organs of the body. It is known as the most deadly type of cancer in the world and is also known as the top killer cancer in the US. The commonest cause of this disease is prolonged exposure to tobacco smoke as 80-90% of lung cancer is caused by it while the remaining 10-15% is caused by air pollution including passive smoking, radon gas, asbestos and a combination of genetic factors.
It is more common in adult individuals at the ages between 55 and 65 and is rare in people under 45 years of age. Chest pain, coughing, shortness of breath, wheezing and lost of weight are its common signs depending on the type of lung cancer. The two major types of the lung cancer are non-small cell lung cancer that is the most common while the other type is small cell lung cancer that spreads more quickly. This disease has poor diagnosis as only 15% of the patients suffering from this disease survive more than five years and it causes approximately three millions deaths of individuals annually and almost 35,000 deaths of people in the United States.