is an abnormal enlargement of the vein that is in the scrotum
draining the testicles. Due to this the sperm production can be affected. In your case mild oligospermia
signifies the presence of a problem that cannot be corrected only with medicines. Since you are just 23 years old, Surgery is the best option that would benefit you!! The sooner the problem is corrected the better the chances of the production of healthy sperms.
Please go ahead with the surgery !!!!