RecruitingPhase 1Radiation therapyA Study of Stereotactic Radiosurgery (SRS) to Treat Pain in the Chest and/or Stomach WallThe researchers are doing this study to find out whether stereotactic radiosurgery (SRS) is a safe, practical (feasible), and effective treatment for people with chronic TAWP. The researchers will test different doses of SRS to find the highest dose that causes few or mild side effects.