Adenocarcinoma of the lung
![Pie chart showing incidence of adenocarcinoma of the lung (shown in yellow) as compared to other lung cancer types, with fractions of non-smokers versus smokers shown for each type.[2]](/Images/godic/202502/05/Pie_chart_of_lung_cancers.svg3145.png")
![A gross pathological specimen of a pulmonary adenocarcinoma, removed in a lobectomy.](/Images/godic/202502/05/Adenocarcinoma_of_the_lung3145.jpg")
Adenocarcinoma of the lung (pulmonary adenocarcinoma) is a common histological form of lung cancer that contains certain distinct malignant tissue architectural, cytological, or molecular features, including gland and/or duct formation and/or production of significant amounts of mucus.