IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-3-46990 Original Research Paper Spectrum Of Malignant Lesions In Head And Neck Region: A Tertiary Care Hospital Based Study From North East India Rosy Saikia Dr. Dr. Dhanashri Rabha Dr. March 2023 12 3 01 02