Can you get epydimititis without having swelling or lumps? Have pain above right testis, last for 3 months, three doctors did US, didnt find anything

Here are some ... For assisting assessing pain in testis, scrotral US has not helped much for diagnosis if not done at right timing and palpation failed to reveal lump(s). In fact, analyzing the onsel, degree, duration, & interval of pain over time could be very useful for suspecting intermittent torsion of testis or referring pain. Fact: At 17, torsion has to be considered if there is no STD-related epididymitis.