What Is Lung Adenocarcinoma?


Quick Answer

Lung adenocarcinoma is a type of non-small cell lung cancer that originates in the pulmonary glandular cells, which secrete mucus-like fluids. Adenocarcinomas accounts for approximately 40 percent of lung cancers, reports the American Cancer Society.

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What Is Lung Adenocarcinoma?
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Full Answer

Lung adenocarcinoma is the most predominant type of pulmonary cancer in the United States among both sexes, states CancerCare. However, its prevalence is less common in men than in women. Smokers and non-smokers alike may develop the disease.

Lung adenocarcinoma normally occurs in the outer regions of the lung, particularly in the air sacs that line the respiratory organ, notes WebMD. Its progression is comparatively slower than other forms of cancer, which increases the likelihood of early detection before the cancer metastasizes.

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