mantle radiotherapy

man·tle ra·di·o·ther·a·py

radiotherapy with shielding of uninvolved radiosensitive structures or organs.

man·tle ra·di·o·ther·a·py

(man'tĕl rā'dē-ō-thār'ă-pē) Radiotherapy with protection of uninvolved radiosensitive structures or organs.