Permanent/ irreversible. bleeding or blood clot inside the scrotum, blood in semen, bruising of scrotum, infection of surgery site, mild pain or discomfort, swelling, chronic pain, fluid buildup in the testicle, inflammation caused by leaking sperm, pregnancy (fail in surgery), abnormal cyst in epididymis, fluid filled sac surrounding a testicle that causes swelling in the scrotum