Adenocarcinomas of the lung are more common in which group and usually have which location?

Prepare for your CVP and GI Pathology Exam. Study using flashcards and multiple choice questions with hints and explanations to excel in your test.

Adenocarcinoma tends to arise from glandular tissue in the distal airways, so it is typically located in the peripheral, subpleural areas of the lung rather than near the central bronchi. This peripheral pattern reflects its origin from mucin-producing glands and Clara cell–like elements in the distal lung. Clinically, it is more common in nonsmokers and women, which helps explain its tendency for a peripheral, often subpleural presentation. Central lesions are more characteristic of squamous cell or small cell carcinoma, so the peripheral location best fits adenocarcinoma.