help help help. i just find out that one of my cousin who came over here for a visit got pain in his penis. So i took him to went and visit the doctor and they say he have a kidney stone in his penis, and it been there over 10ish year. the doctor say they will need to operate it and take it out. but does it affect his after sex life afterward? and how is the procedure of this kind of surgery work. like what are they usually do during the operation?....can anyone help!

thank 

Shi