question: Hi, mHello there, I have discovered a lump with in the shaft of my penis- it is not visible to the eye, however- I can feel it underneath the flesh-almost like a ball bearing-could it be a rupture of a vein from the inside? I can feel it from the top and underneath approx a couple cm in from the head of the penis, could you shed some light? many thanks ay I answer your health queries right now ? Please type your query here...