Which type of radiation effect results in radiation induced thyroid cancer?

Based on the object that shows the effects: Somatic Effects: These are biological effects that occur on the exposed individuals. Somatic effects can be of 2 types. Prompt somatic effect occur after an acute dose. Eg: Temporary hair loss occurs about three weeks after a dose of 400 rad to scalp. Delayed somatic effects are those that occur years after radiation doses are received. Eg: Increased potential for development of cancer and cataracts. Genetic or heritable effects: Appear in the future generations of the exposed person as a result of radiation damage to reproductive cells.