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: Unknown
Grading of carcinoma epiglottis involving pre-epiglottic space will be: 
Select and explain. 
A. T3 stage, B. T2 stage, C. T1 stage, D. T4 stage
A: T3 stage
Answer: A: T3 stage 
Explanation: (Refer: PL Dhingra, Textbook of Ear, Nose, Throat, 6th edition, pg no: 308)
Tumor staging of Supraglottic cancer