Environmental exposure to ionizing radiation from both natural background sources and artificial sources is suspected to play a significant role , and significantly increased rates of thyroid cancer occur in those exposed to mantlefield radiation for lymphoma , and those exposed to iodine-131 following the Chernobyl , Fukushima , Kyshtym , and Windscale nuclear disasters . Thyroiditis and other thyroid diseases also predispose to thyroid cancer
Windscale
Windscale fire
Thyroid cancer