Verfärbung am Penis, STD-Test negativ

so a few years ago a spot appear on my penis, me and my long time girlfriend thought nothing of it because it didnt seem like anykind of std and we both never tested postive for anything. a new spot has formed and i am no longer with that girl friend and the dating seen is rough because people just think i have an std. my doctors have not seemed helpful, but i have yet to see a dermatologist. seeing if anyone on line can help

image

[

image

](https://)