This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
The MOST frequent cancer associated with asbestos exposure? 
Select and explain. 
A. Lung cancer, B. Pleural mesothelioma, C. Peritoneal mesothelioma, D. Adenocarcinoma esophagus
A: Lung cancer
Answer: A: Lung cancer 
Explanation: Lung cancer is the most frequent cancer associated with asbestos exposure mesothelioma both pleural and peritoneal is associated with asbestos exposure. Ref:Harrisons Principles of Internal Medicine, 18th Edition, Page 2123