Deeply concerned about rising thyroid cancer rates in Japanese children, these leaders believe that it's time to evacuate the city of Koriyama.

When the two spoke to Japanese government officials, their concerns were downplayed.
The Japanese government remains reluctant to evacuate the city, not wanting to scare citizens, but Professor Tsuda has begun urging residents to evacuate Koriyama anyway.

The epidemiology professor reports, "An incident rate of thyroid cancer on children in Fukushima are from several times to dozens times higher than usual. This is a rash of disease.