<prompt> Which of the following is true about varicocele except ?Incompetent valves of testicular vein are responsible for varicocele90 are on the left sideAsymptomatic cases require surgeryFemoral catheterization with spermatic vien ablation is done in recurrence  <response>: . In case of varicocele indications for surgery are pain and oligospermia and asymptomatic cases are not indicated for surgery. surgeries for variccele includes: -palomos operation. -Inguinal approach . -subinguinal approach. -scroatal approach. -laproscopic approach. Refer page no 1077 of SRBs manual of surgery 5 th edition 