IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-14-6-63784 Original Research Paper The Prognostic Significance Of The Geriatric Nutritional Risk Index In Patients With Advanced Head And Neck Cancers – A Retrospective Analysis Nallagonda Satya Sai Sriram Dr. Dr. Meenavalli Rohitha Dr. June 2025 14 6 01 02