If there is a lump of flesh tissue on the right testicle, then it is recommended to go to the hospital for further examination to clarify the cause, and the most common causes are: 1. Epididymal nodules, which can be manifested as localized thickening of the epididymis if one has ever suffered from epididymitis or has had a semen-retaining cyst, and so on. The acute stage can be characterized by swelling, pain, and painful nodules when touched by hand. In the chronic stage, there is usually no pain, and only thickened or thickened tissue can be touched, it is recommended to perform ultrasound examination to exclude whether it is epididymal tissue.2. Localized testicular nodules are often seen after testicular trauma or testicular inflammation, and localized nodules appear. When touched by hand, it is painful in the acute stage, but may not have any symptoms in the chronic stage, and the texture may be tough or hard. If there has been trauma or inflammation of the patient, the possibility of inflammatory nodules is greater, it is recommended to perform ultrasound of the testicle to further identify.