Top Nine Worst Killer Cancers

There are over 200 types of cancers and they're all referred to a group of ailments having the similar characteristics. The cells in those who've cancer always displayed malignant growths, tumors, and/or abnormal cells that will finally spread to the surrounding cells, tissues or organs, and at the end, the cancer invades other areas in the body causing deaths. Cancer can either be the outcome of plain old genetic abnormalities, mutated cells, and prolonged exposure/consumption of certain drugs/carcinogens/any chemical substances.

Under a normal condition, our body will produce 100 to 200 cancerous cells every day. When we reach 40 years old, the production of cancerous cells will increase from 3,000 to 5,000 cells. When our immune system does not function well or weaken, these 100 to 200 cancerous cells will gradually grow into 1,000, 2000……4000 cells. And later, these cancerous cells will soon develop into 10000 to 20000 cells, and then from 100000 to 200000 cells. We will not aware of the growth of cancerous cells, even its figure reaches 1000000 cells. This is because the size of 1000000 cells is just like the size of a needle head. Next, the cancerous cells will continuously increase its colony to 5000000, 10000000, one billion and five billion cells. The growth of cancerous cells is like a baby whereby it can grow quickly like an adult. When one day you notice that there is a lump from part of your body, you may be in critical condition.

Bladder Cancer

Worldwide, the bladder cancer is the tenth most common cause of cancer death, accounting for about 90% of cancers of the urinary tract (ureters, bladder, urethra, renal pelvis). In 2002, approximately 350,000 cases of bladder cancer were reported worldwide, and each year, approximately 356,600 cases of bladder cancer are diagnosed.

Cervical Cancer

In 2002, approximately 200,000 women worldwide were diagnosed with cervical cancer, which was about 4% of all the cancers that occurred among the females. Worldwide, it's ranked as the thirteenth most common cause of cancer death. Around three quarter of sufferers under survive for at least five years after diagnosis. At the chronic stage, cervical cancer can cause death/ mortality. Approximately 50% of cervical cases are diagnosed in females who're aged 35 and 55 each year.

Pancreatic (pancreas) cancer

Pancreatic cancer is the thirteenth most common cause of cancer death in the world. In 2002, over 230,000 cases of pancreatic cancer were diagnosed, which occupied 2% of all the cancers. Approximately 3% of pancreatic cancer sufferers survive for 5 years or more. It's the most common cancer in males than females. Since it's a "silent disease" which shows no signs and symptoms and thus it's seldom detected in its early stage, making it a leading cause of cancer death. By the time it's detected in an advanced stage, the cancerous cells are more likely to have spread to other parts of the body and thus surgical removal is no longer possible to handle it.

Breast cancer

In women, breast cancer is the fifth most seen common type of cancer, and about 8 in 10 women aged 50 and over are diagnosed with breast cancer. In the world in 2002 more than 115 million cases of breast cancer were diagnose, which were around 23% in all females related cancers, and 11% of all the cancers. Each year, it's estimated that over a million women are diagnosed with breast cancer, which cause more than 10,000 deaths. Worldwide, it's ranked as the forth most common cause of cancer death, that's around 14% of the total cancer deaths. It's regarded as the second most common cause of death in women after lung cancer.

Stomach cancer/ gastric cancer

Stomach cancer is the most common type of cancer ranked the forth worldwide. More than 900,000 cases of stomach cancer were reported in 2002. The rates in males occupy two third of all types of cancers, and it's seen to be more prevalence in Eastern Asia than Western and Northern Africa. Stomach cancer is also the second most common cause of cancer death, which accounts for about 3% of all cancer deaths. The higher percentage of 94% is seen among people aged 50 and over who are diagnosed with new cases of stomach cancer each year.

Lung cancer

Lung cancer is the most common cancer in the world with 1.4 million people diagnosed in 2002. Each year, over 30,000 people die from lung cancer, particularly those who're aged 65 or over. Only 6% of lung cancer patients can survive up to 5 years or more after diagnosis. Approximately two-thirds of males are diagnosed with the increased rates of lung cancer. Smoking is the greatest risk factor for lung cancer as it accounts for approximately 94% of the cases.

Prostate cancer

Worldwide, prostate cancer is the second most common cancer and the sixth most common cause of cancer death in males, after lung cancer. Its incidence rates have increased in an ascending order. In 2002, 680,000 cases of prostate cancer were reported, and each year, over 670,000 males are diagnosed with prostate cancer. Approximately 70% of prostate cancer incidence rates are diagnosed in males aged over 70 years.

Kidney cancer

Kidney cancer is the fifteenth most common cancer diagnosed in the world. In 2002, about 200,000 cases of kidney cancer were recorded, making its incidence rate about 6% of all cancers. Over 5,000 people in the world are diagnosed with kidney cancer each year. Kidney cancer affects more males than females, as smoking rate is normally higher in men than women. Smoking is always linked with the increased occurrence of kidney cancer.

Skin cancer

The rate of skin cancer, especially malignant melanoma in adults has risen almost twice than any other common cancer and more people die from it. Furthermore, the rate of malignant melanoma has risen rapidly, making it amongst the highest for any cancer. More than 10,000 cases of skin cancer (particularly malignant melanoma) are diagnosed each year. Overall, proportionately higher cases in younger people are being diagnosed for malignant melanoma. In males, a malignant skin cancer can develop on the back or chest, while for females, it's usually seen on the legs. Malignant cancer in particular, has claimed over 2,000 lives in the world each year.

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