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
A patient presents with cheek ca of 2.5 cm size close to and involving the alveolus with a single mobile cervical lymph node of 6 cm size. What is the TNM staging: 
Select and explain. 
A. T3 N2, B. T3 N3, C. T4 N2, D. T4N3
D: T4N3
Answer: D: T4N3 
Explanation: None