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
For which of the following venous abnormality is surgery indicated -a) Deep vein incompetence with DVTb) Deep vein incompetence without DVTc) Varicosity > 3 mm in diameterd) Varicosity < 3 mm in diametere) Saphenofemoral incompetence 
Select and explain. 
A. bce, B. bc, C. acd, D. ace
A: bce
Answer: A: bce 
Explanation: None