- Schuck A, Ahrens S, Konarzewska A, Paulussen M, Fröhlich B, Könemann S, et al. Hemithorax irradiation for Ewing tumors of the chest wall. Int J Radiat Oncol Biol Phys. 2002;54:830-8 pubmed..Local control was equivalent between the two groups. These favorable results have caused us to continue using hemithorax RT to treat high-risk patients with Ewing tumors of the chest wall. ..