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Genetic and Rare Diseases Information Center (GARD)

Lung adenocarcinoma

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Lung adenocarcinoma is a cancer that occurs due to abnormal and uncontrolled cell growth in the lungs. It is a subtype of non-small cell lung cancer that is often diagnosed in an outer area of the lung. Early lung cancers may not be associated with any signs and symptoms. As the condition progresses, affected people can experience chest pain, a persistent cough, fatigue, coughing up blood, loss of appetite, unexplained weight loss, shortness of breath, and/or wheezing. The underlying cause of lung adenocarcinoma is generally unknown; however, risk factors for developing a lung cancer include smoking; exposure to secondhand smoke and other toxic chemicals; a family history of lung cancer; previous radiation treatment to the chest or breast; and HIV infection. Treatment varies based on the severity of the condition, the associated signs and symptoms and the affected person's overall health. It may include a combination of surgery, radiation therapy, chemotherapy, targeted therapy, and/or watchful waiting.[1][2][3]
Last updated: 2/10/2016


  1. Non-Small Cell Lung Cancer. The American Cancer Society. February 2016;
  2. Non-Small Cell Lung Cancer Treatment (PDQ®). National Cancer Institute. May 2015;
  3. Winston W Tan, MD, FACP. Non-Small Cell Lung Cancer. Medscape Reference. December 2015;
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Basic Information

  • The American Cancer Society provides information on Lung adenocarcinoma. Please click on the link to access this resource.
  • MedlinePlus was designed by the National Library of Medicine to help you research your health questions, and it provides more information about this topic.
  • The National Cancer Institute provides the most current information on cancer for patients, health professionals, and the general public.

In Depth Information

  • Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
  • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
  • Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Lung adenocarcinoma. Click on the link to view a sample search on this topic.
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.