The authors noted that current cancer risk estimates from CT scan radiation may be low because of the time it can take for cancers to manifest (up to 40 years) and the short time span (10 years) of the retrospective study that validated the 1 in 10,000 per CT scan risk. "Commentary on this article cautions that these preliminary data are similar to atomic bomb survivors, and the true incidence of cancer from CT scanning may be 10 times more after more time elapses following CT scans," they wrote.
The researchers did not use external funding. They reported no disclosures