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: ENT
A 55 year old male presents with a lesion of 2.5*3.5 cm on lateral border of tongue with induration. There is no associated lymphadenopathy. What is the staging according to the 8th AJCC guidelines? 
Select and explain. 
A. T2N0M0, B. T3N2M0, C. T4N3M0, D. T3N2M0
A: T2N0M0
Answer: A: T2N0M0 
Explanation: Ans: A. T2N0M0Ref: AJCC Cancer staging munual I'h ed., ch-7, pg. 79,90Cancer of the lip and oral cavity TNM staging AJCC UICC 2017