Check out my latest episode!In this podcast doctor giving brief information and solutions.Treatment of seminoma may include the following: When the tumor is 5 centimeters or smaller: Surgery to remove the testicle, followed by radiation therapy to lymph nodes in the abdomen and pelvis. Treatment of testicular cancer usually starts with surgery to remove the testicle with cancer, called a radical inguinal orchiectomy. This operation is done through an incision in the groin along the beltline. During the surgery, the entire testicle and most of the spermatic cord are removed.