<s>[INST] Hi! My husband, 34 yrs old, about 5'5" in height and weighs 60 kg, has a lump just under the buttock cheek on the right side. It is painless, but when pressed or pinched there is mild pain. The problem is, from a thumblike bump, it began to spread into smaller bumps and is now reaching near the testis. Please help! We don't know who specializes on this and we would just like to have a background on this before going to a doctor. Thanks!!! [/INST] HI,Dear, Thanks for the query from you for your  painful lumps on pressure, under rt buttock cheek,spreading into smaller bumps,reaching now testies.1-I feel concerned that you are serious to know why this   thumblike bump underneath the rt buttock is reaching to testies.?2-In my opinion this indurated lump underneath rt buttock,appears to be infected boil,spreading into the fungal infested groin area near rt testes.Spreading to the testes is due to the extension of the agressive infection by secondary infection in to the fungal infected rt groin area infront and is without any other febrile symptoms,as you did not mention in your query.3-But the worry you expressed about its spread would need check up from the ER doctor,who would check your blood sugar levels and would treat these bumps by proper antibiotics and antifungal drugs for the skin infection and skin infestation.4-I would advise General physicians opinion-who would do the needful -CBC,along with fbs and pps to rule out the diabetes for such a slow growing infection of the rt. buttock bump.5-Hope this would resolve the causative worry of the patient in question .If treated on this line, the fearing patient , should not worry you much.6-Hope this would solve your worry of the upper chest pain,if its lt sidede7-Wellcome to HCM for any more query. </s>