More Related Content Similar to Radiation therapy of oral cancers Similar to Radiation therapy of oral cancers (20) More from Kidwai Memorial Institute of Oncology, Bangalore More from Kidwai Memorial Institute of Oncology, Bangalore (20) Radiation therapy of oral cancers1. Radiation Therapy of Oral Cancers Dr. V. Lokesh M.D Professor & Head of Unit Department of Radiation Oncology, Kidwai Memorial Institute of Oncology, Bangalore 6. ↑ RT Dose ↓ RT Dose ↑ T – Control ↓ T – Control ↑ Normal Tissue Toxicitites ↓ Normal Tissue Toxicitites 36. 5 YR SURVIVAL STAGE 1 STAGE II STAGEIII STAGEIV T 3/4 Lip 90% <60-30% 30% Anterior Tongue 69% 41% 25% S+R - 35% 15% 33-60% Buccal Mucosa 77% 65% 27% 18% 33-67% Floor of the Mouth 97% 72% 51% 20% 33-67% Lower Gingiva Retromolar Trigone 70% 50-30% 30% 30-50% Upper Gingiva Hard Palate 75% 46% 36% 115