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: Surgery
Which of the following is used to classify Pulmonary adenocarcinoma? 
Select and explain. 
A. Parkland classification, B. Waterston's classification, C. Chicago classification, D. Noguchi's classification
D: Noguchi's classification
Answer: D: Noguchi's classification 
Explanation: None