hi, thank you for providing the brief history of you. I think you are mentioning about inguinal hernia here and have done CT for the same for the diagnosis. Kindly wait till the reports come as it may help understand the soft tissues better. Inguinal hernia may lead to symptom of having pain in the knee, since due to hernia there will be pain in the groin region and the muscles of the front of thigh arise from the ASIS and go down the thigh bone called femur. And due to the inflammation at the inguinal region there will be excess load happening at the knee joint leading to gait disturbances and pain. As you are already under the pain medication I will advice you to undergo physical therapy like therapeutic ultrasound therapy and TENS therapy which will help reduce the pain in the location of inguinal area as well as the reffered pain in the knee joint too. once the pain come under control there will be little of stretching and strengthening of the muscles to avoid the hernia localized and referred pain as well. In my clinical practice, physical therapy is helpful for patients with inguinal hernia for pain which is localized and even referred. Regards Jay Indravadan Patel