Throat cancer is cancer that appears in the throat region. It usually occurs in the pharynx which is a tube that starts from your nose to your neck. A throat cancer might also occur in larynx which commonly known as the voice box. The third common is the tonsil cancer that affects the tonsils which is located at the back of the throat. As per ENT Specialists, ‘ many a times, these harmless sounding issues can turn out be life-threatening if not treated on time’.