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
Tumour invodes corpus spongiosum with or without urethral invasion, belong to which stage of carcinoma penis? 
Select and explain. 
A. T1, B. T2, C. T3, D. T4
B: T2
Answer: B: T2 
Explanation: T2 : Tumour > 5 cm or incodes corpus spongiosum, cavernosum with or without urethral invasion.