This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
What is TRUE regarding adenocarcinoma lung 
Select and explain. 
A. Causes 50% of lung cancers, B. Unlikely histological variant in young patients, C. Associated with subcutaneous angiomyolipoma, D. Peripheral location
D: Peripheral location
Answer: D: Peripheral location 
Explanation: Squamous cell carcinoma and small cell carcinoma usually present as central masses with endobronchial growth, while adenocarcinomas and large cell carcinomas tends to present as peripheral nodules or masses with pleural involvement Ref Harrison 19th pg 2415