Best Cancer Specialist in Delhi and Best Medical Oncologist in Delhi NCR Thyroid malignant growth happens in the cells of the thyroid a butterfly molded organ situated at the foundation of your neck, just underneath your Adam's apple. Your thyroid produces chemicals that control your pulse, circulatory strain, internal heat level and weight. Thyroid disease probably won't create any side effects from the beginning. Best Medical Oncologist in Delhi NCR, Best Cancer Specialist in Delhi and Best Cancer Specialist in Delhi NCR.