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
High inguinal orchidectomy specimen showed tumor testis with involvement of epididymis without vascular invasion; Stage is - 
Select and explain. 
A. T
1, B. T
2, C. T
3, D. T
4
A: T
1
Answer: A: T
1 
Explanation: None