This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lung, Subject name: Medicine
Which is the most common tumor leading to death in adults? 
Select and explain. 
A. Lung cancer, B. Prostate cancer, C. Colorectal cancer, D. Leukemia
A: Lung cancer
Answer: A: Lung cancer 
Explanation: Ans is 'a' i.e. Lung cancer o Lung cancer constitutes upto29% of aU cancer related deaths in males and 26% of all cancer related death in woman.