In the U.S., according to the National Cancer Institute in 2010, the most common cancers (excluding non-melanoma skin cancers) are listed below.
Cancer type Estimated new cases Estimated deaths
Bladder 70,530 14,680
Breast (female-male) 207,090-1,970 39,840-390
Colon and rectal (combined) 142,570 51,370
Endometrial 43,470 7,950
Kidney (renal cell)  53,581 11,997
Leukemia 43,050 21,840
Lung (including bronchus) 222,520 157,300
Melanoma 68,130 8,700
Non-Hodgkin lymphoma 65,540 20,210
Pancreatic 43,140 36,800
Prostate 217,730 32,050
Thyroid 44,670 1,690
The three most common cancers in men, women and children in the U.S. are as follows:
  • Men: Prostate, lung, and colorectal
  • Women: Breast, colorectal, and lung
  • Children: Leukemia, brain tumors, and lymphoma
The incidence of cancer and cancer types are influenced by many factors such as age, sex, race, local environmental factors, diet, and genetics. Consequently, the incidence of cancer and cancer types vary depending on these variable factors. For example, the World Health Organization (WHO) provides the following general information about cancer worldwide:
  • Cancer is a leading cause of death worldwide. It accounted for 7.4 million deaths (around 13% of all deaths) in 2004 (statistics published in 2009).
  • Lung, stomach, liver, colon, and breast cancer cause the most cancer deaths each year.
  • Deaths from cancer worldwide are projected to continue rising, with an estimated 12 million deaths in 2030.
Different areas of the world may have cancers that are either more or less predominant then those found in the U.S. One example is that stomach cancer is often found in Japan, while it is rarely found in the U.S.
The objective of this article is to introduce the reader to general aspects of cancers. It is designed to be an overview of cancer and cannot cover every cancer type. This article will also attempt to help guide the reader to more detailed sources about specific cancer types. 

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