I have had multiple ct scans this month. the first appointment consisted of a scan of my chest and abdomen with and without contrast. the second appointment was of my abdomen and pelvis and was only with contrast. should i be concerned about cancer?

Imaging studies without telling about why you had it like symptoms makes it difficult to tell you the possibilities. The fact that you have had the imaging studies mean you are going to have reports soon that you could discuss with your medical provider.

The increase in risk of cancer from these studies is not measurable. You can reduce your risk of cancer by adopting healthy habits: Eat a mostly vegetarian diet, avoid alcohol, tobacco and street drugs, avoid excessive exposure to sun, maintain healthy weight, get HPV vaccine, exercise 30 minutes each day, drink enough water so your urine is mostly colorless. Wish you good health!