Hi my boyfriend has been suffering with a sore burning sensation on is penis and can feel very cold for several months now. He,s under a specialist doctor in which he visit,s every 3 months, they have tested him for everythink, and has had all the tests but everythink came back clear, he still gets it all the time and as now noticed a small lump in the groin area please help he is getting desperate now and does,nt know what to do