IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-3-47037 Original Research Paper Papillary Thyroid Carcinoma And Squamous Cell Carcinoma In Cervical Lymphnode - Collision Metastasis, Why And How? S Dr. Rajalakshmi Preethi G Dr. Arun Prabhakaran C Dr. March 2023 12 3 01 02