<s>[INST] Hi, am 29 years old male. Have following issue after I went appendix surgery in the month of oct 2013. Recently for last 2 weeks experiencing following 1) stools are black. 2) not having feel of complete motion. 3) sometimes pain in testicle and in lower abdomen. Down full abdomen scan. No fault found. Took medicene for testicle pain and abdomen infection but still no go. Pls advise on treatment and medicines. [/INST] I am sorry to hear about your pain. First off, having black stools is very worrisome as this commonly is referred to as Elena, or bloody stool (digested blood from your upper Hi tract causes your stool to become black). If this is persistent you need to see your primary care physician immediately for further evaluation. Now I also see you recently had some type of abdominal infection, hopefully you completed your antibiotics for this and have followed up with the prescribing physician. In regard to pain in the lower abdomen and into the testicle following any lower abdominal surgery, the common cause is ilioinguinal or genitofemoral neuralgia (nerve pain). Another possible cause would be an inguinal hernia, which can develop from straining. I would recommend seeing your primary care for a careful physical exam to help differentiate between these two possible causes. I hope you feel better soon. </s>