As per data , there is very highly unlikely that with one Ct Scan some one gets cancer. Secondly the cumulative effect of the radiation that means from different scans or multiple scans can lead to cancer in long time not immediately after Ct Scan.
But in scenario where someone exposed to lot of radiation before can have cancer after one CT scan.
Next Steps
Patient always remember that most of the cancer always give some indication so always stay alert and anything that makes you feel away from good health go and meet your doctor, and if I am your doctor then plse consult me
Health Tips
Try to avoid having multiple Ct or xray in a year