CT radiation. To overcome from this.

I was take ct contrast for abdomen and pelvis in year 2022 oct for having repeated constipation . Then doctor suggested to take colonoscopy and endoscopy, because in ct they suggested for ibd . But by gods grace nothing found in colonoscopy and endoscopy. But now dec 2023 , again trigger a problem I took MRI scan abdomen and ct since I had severe stomach pain for past 5 days. Happy  the results are normal. Now the fear is I took contrast ct in 2022 oct . Again in our office full body check up took chest xray on 25th oct 2023, then I took ct of my own11th dec 2023 . Now got fear anxiety about repeated radiation cause cancer. Because my father is pancreatic cancer now he is no more. Please help me I am fear of getting multiple radiation scans on mentioned dates. Please guide to overcome from this.