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Add people to this project who have this diagnosis or no specific cancer site (Cancer of Unknown Primary Site). Otherwise please add them to the specific cancer listed (or to both projects).


Project tags: Adenocarcinoma, cause of death, cancer, lung cancer, prostate cancer, pancreatic cancer, esophageal cancer, colorectal cancer, mucus-secreting glands, ductal carcinoma, carcinoma,


Adenocarcinoma is a type of cancer that starts in the glands that line the inside of one of your organs.

  • Adenocarcinoma can happen in many places, like your colon, breasts, esophagus, lungs, pancreas, or prostate. It is a type of cancerous tumor that can occur in several parts of the body. It is defined as neoplasia of epithelial tissue that has glandular origin, glandular characteristics, or both. Adenocarcinomas are part of the larger grouping of carcinomas, but are also sometimes called by more precise terms omitting the word, where these exist. Thus invasive ductal carcinoma, the most common form of breast cancer, is adenocarcinoma but does not use the term in its name—however, esophageal adenocarcinoma does to distinguish it from the other common type of esophageal cancer, esophageal squamous cell carcinoma. Several of the most common forms of cancer are adenocarcinomas, and the various sorts of adenocarcinoma vary greatly in all their aspects, so that few useful generalizations can be made about them.

The term adenocarcinoma is derived from adeno-, meaning "pertaining to a gland", and carcinoma, which describes a cancer that has developed in the epithelial cells.

Adenocarcinoma is a type of cancer that forms in mucus-secreting glands throughout the body. It can occur in many different places in the body, and is most prevalent in the following cancer types:

  • Lung cancer: Non-small cell lung cancer accounts for 80 percent of lung cancers, and adenocarcinoma is the most common type.
  • Prostate cancer: Cancer that forms in the prostate gland is typically an adenocarcinoma, which makes up 99 percent of all prostate cancers.
  • Pancreatic cancer: Exocrine pancreatic cancer tumors are called adenocarcinomas. They form in the pancreas ducts.
  • Esophageal cancer: Cancer that forms in the glandular cells of the esophagus is known as adenocarcinoma. This is the most common type of esophageal cancer.
  • Colorectal cancer: Cancer that develops in the intestinal gland cells that line the inside of the colon and/or rectum is an adenocarcinoma. It makes up 95 percent of colon and rectal cancers.

Cancer Statistics

  • In 2016, an estimated 1,685,210 new cases of cancer will be diagnosed in the United States and 595,690 people will die from the disease.
  • The most common cancers in 2016 are projected to be breast cancer, lung and bronchus cancer, prostate cancer, colon and rectum cancer, bladder cancer, melanoma of the skin, non-Hodgkin lymphoma, thyroid cancer, kidney and renal pelvis cancer, leukemia, endometrial cancer, and pancreatic cancer.
  • The number of new cases of cancer (cancer incidence) is 454.8 per 100,000 men and women per year (based on 2008-2012 cases).
  • The number of cancer deaths (cancer mortality) is 171.2 per 100,000 men and women per year (based on 2008-2012 deaths).
  • Cancer mortality is higher among men than women (207.9 per 100,000 men and 145.4 per 100,000 women). It is highest in African American men (261.5 per 100,000) and lowest in Asian/Pacific Islander women (91.2 per 100,000). (Based on 2008-2012 deaths.)
  • The number of people living beyond a cancer diagnosis reached nearly 14.5 million in 2014 and is expected to rise to almost 19 million by 2024.
  • Approximately 39.6% of men and women will be diagnosed with cancer at some point during their lifetimes (based on 2010-2012 data).
  • In 2014, an estimated 15,780 children and adolescents ages 0 to 19 were diagnosed with cancer and 1,960 died of the disease.
  • National expenditures for cancer care in the United States totaled nearly $125 billion in 2010 and could reach $156 billion in 2020.
  • Prevalence of adenocarcinomas is high. This type of cancer is one of the two most common categories of cancers.
  • Not all tumors are malignant. Benign tumors rarely become life threatening.
  • The American Cancer Society reports that over 95% of colorectal cancers are adenocarcinomas that begins as a polyp in the intestine.
  • The chance of developing cancer increases with age. For instance, 9 of 10 patients with colorectal cancer are over 50.
  • Smoking and excessive alcohol have proven to increase your risk of cancer throughout your body.
  • Stomach cancer, usually an adenocarcinoma, is oftentimes asymptomatic

Notable People Who died of Adenocarcinoma:

Further Reading:

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