Hi,Dear,Thanks for your query to HCM. Dear I read facts of your query and reviewed it in context to your health issues submitted in your query. I understood your health concerns and feel Concerned about them. Based on the facts of your query the reply of your query is- Your current health issues seem to be due to the Right Varicocele/ Inguinal Hernia. As the lump on top of your right testes is soft, its mostly a Inguinal canal / or Varicocele.It could be undescened testes with inguinal hernia. Also as the lump increase while you have erection,indicates- possibility of -Varicocele,which increases from increased venus regurge flow in the right Varicocele, while during erection. Hence Other causes-as sited above- need to be ruled out,by verification with Physician/and or Surgeon. Do s- Consult with Urologist or Surgeon who would investigate physically and by USG study of scrotal area. This would fix the cause amongst the above or other possibilities. You need to treat it with Surgeon by suitable surgical correction, which should be done on priority and urgently to avoid further complications. This would resolve the complaints of your s. Constant followup with local family or specialist Urologist/surgeon-for long term would give you long remissions in time to come,which would depend on meticulous followup treatment of your health concerns. Just don t worry and be patient and co-operate with your doctors,till you verify with your attending doctors. For early recovery-please follow above do s which would resolve your complex health issues. Hope this would help you to treat your health issues in the best way possible. Welcome for any further query in this regard to following link- http://doctor.healthcaremagic.com/Funnel?page=askDoctorDirectly&docId=70229 Wishing Good Healthy Life!! Dr.Savaskar M.N. Senior Surgical Specialist M.S.Genl-CVTS