The success rate for penile implant surgery is very high, exceeding 97%. Complication rate is less than 3%. In the rare cases where complications set in, they are mostly treatable, though with another surgery, and do not involve risks to the general health as long as they are addressed. The rare complications for penile prosthesis surgery include: infection, extrusion of the implant or the very rare urethral injury, among other rare and treatable complications.