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Introduction
-Radiation therapy is the primary modality of treatment for loco-regionally advanced inoperable Head & Neck cancers.
With Radiation therapy alone the rate of treatment failure is high, the overall cure rate and length of patient survival is lower.
-New strategies have been continuously implemented :
Use of concurrent chemotherapeutic drugs as radiation sensitizers has perhaps had the strongest impact on radiation therapy practice.
-Currently Biological response modifiers which enhance radiation and chemotherapy responses have been shown to further improve the therapeutic outcome of radiation therapy with acceptable morbidity.
